chore: move test fonts to the main repo (#2834)

Co-authored-by: Kevin Barabash <kevinb@khanacademy.org>

.gitmodules

@@ -1,6 +1,3 @@
 [submodule "submodules/katex-fonts"]
 	path = submodules/katex-fonts
 	url = https://github.com/KaTeX/katex-fonts
-[submodule "submodules/katex-test-fonts"]
-	path = submodules/katex-test-fonts
-	url = https://github.com/KaTeX/katex-test-fonts.git

test/screenshotter/fonts/batang/LICENSE

@@ -0,0 +1,11 @@
+Copyright (c) 1986-2002 Kim Jeong-Hwan
+All rights reserved.
+
+Permission to use, copy, modify and distribute this font is
+hereby granted, provided that both the copyright notice and
+this permission notice appear in all copies of the font,
+derivative works or modified versions, and that the following
+acknowledgement appear in supporting documentation:
+Baekmuk Batang, Baekmuk Dotum, Baekmuk Gulim, and
+Baekmuk Headline are registered trademarks owned by
+Kim Jeong-Hwan.

test/screenshotter/fonts/mincho/LICENSE

@@ -0,0 +1,170 @@
+IPA FONT LICENSE AGREEMENT V1.0
+
+The Licensor provides the Licensed Program (as defined in Article 1 below) under
+ the terms of this license agreement (“Agreement”).  Any use, reproduction or
+ distribution of the Licensed Program, or any exercise of rights under this
+ Agreement by a Recipient (as defined in Article 1 below) constitutes the
+ Recipient’s acceptance of this Agreement.
+
+
+Article 1 (Definitions)
+
+1. “Digital Font Program” shall mean
+a computer program containing, or used to render or display fonts.
+
+2. “Licensed Program” shall mean a
+Digital Font Program licensed by the Licensor under this Agreement.
+
+3. “Derived Program” shall mean a Digital Font Program created as a result of a
+modification, addition, deletion, replacement or any other adaptation to or of
+a part or all of the Licensed Program, and includes a case where a Digital Font
+Program newly created by retrieving font information from a part or all of the
+Licensed Program or Embedded Fonts from a Digital Document File with or without
+modification of the retrieved font information.
+
+4. “Digital Content” shall mean products provided to end users in the form of
+digital data, including video content, motion and/or still pictures, TV programs
+or other broadcasting content and products consisting of character text,
+pictures, photographic images, graphic symbols and/or the like.
+
+5. “Digital Document File” shall mean a PDF file or other Digital Content created
+by various software programs in which a part or all of the Licensed Program
+becomes embedded or contained in the file for the display of the font
+(“Embedded Fonts”). Embedded Fonts are used only in the display of characters
+in the particular Digital Document File within which they are embedded, and
+shall be distinguished from those in any Digital Font Program, which may be used
+for display of characters outside that particular Digital Document File.
+
+6. “Computer” shall include a server in this Agreement.
+
+7. “Reproduction and Other Exploitation” shall mean reproduction, transfer,
+distribution, lease, public transmission, presentation, exhibition, adaptation
+and any other exploitation.
+
+8. “Recipient” shall mean anyone who receives the Licensed Program under this
+Agreement, including one that receives the Licensed Program from a Recipient.
+
+
+Article 2 (Grant of License)
+
+The Licensor grants to the Recipient a license to use the Licensed Program in
+any and all countries in accordance with each of the provisions set forth in
+this Agreement. However, any and all rights underlying in the Licensed Program
+shall be held by the Licensor. In no sense is this Agreement intended to
+transfer any right relating to the Licensed Program held by the Licensor except
+as specifically set forth herein or any right relating to any trademark, trade
+name, or service mark to the Recipient.
+
+1. The Recipient may install the Licensed Program on any number of Computers and
+use the same in accordance with the provisions set forth in this Agreement.
+
+2. The Recipient may use the Licensed Program, with or without modification in
+printed materials or in Digital Content as an expression of character texts or
+the like.
+
+3. The Recipient may conduct Reproduction and Other Exploitation of the printed
+materials and Digital Content created in accordance with the preceding Paragraph,
+for commercial or non-commercial purposes and in any form of media including but
+not limited to broadcasting, communication and various recording media.
+
+4. If any Recipient extracts Embedded Fonts from a Digital Document File to
+create a Derived Program, such Derived Program shall be subject to the terms
+of this agreement.
+
+5. If any Recipient performs Reproduction or Other Exploitation of a Digital
+Document File in which Embedded Fonts of the Licensed Program are used only for
+rendering the Digital Content within such Digital Document File then such
+Recipient shall have no further obligations under this Agreement in relation to
+such actions.
+
+6. The Recipient may reproduce the Licensed Program as is without modification
+and transfer such copies, publicly transmit or otherwise redistribute the
+Licensed Program to a third party for commercial or non-commercial purposes
+(“Redistribute”), in accordance with the provisions set forth in Article 3
+Paragraph 2.
+
+7. The Recipient may create, use, reproduce and/or Redistribute a Derived
+Program under the terms stated above for the Licensed Program: provided, that
+the Recipient shall follow the provisions set forth in Article 3 Paragraph 1
+when Redistributing the Derived Program.
+
+
+Article 3 (Restriction)
+
+The license granted in the preceding Article shall be subject to the following restrictions:
+
+1. If a Derived Program is Redistributed pursuant to Paragraph 4 and 7 of the
+preceding Article, the following conditions must be met :
+  (1) The following must be also Redistributed together with the Derived Program,
+      or be made available online or by means of mailing mechanisms in exchange
+      for a cost which does not exceed the total costs of postage, storage medium
+      and handling fees:
+    (a) a copy of the Derived Program; and
+    (b) any additional file created by the font developing program in the course
+        of creating the Derived Program that can be used for further modification
+        of the Derived Program, if any.
+  (2) It is required to also Redistribute means to enable recipients of the
+      Derived Program to replace the Derived Program with the Licensed Program
+      first released under this License (the “Original Program”). Such means may
+      be to provide a difference file from the Original Program, or instructions
+      setting out a method to replace the Derived Program with the Original
+      Program.
+  (3) The Recipient must license the Derived Program under the terms and
+      conditions of this Agreement.
+  (4) No one may use or include the name of the Licensed Program as a program
+      name, font name or file name of the Derived Program.
+  (5) Any material to be made available online or by means of mailing a medium
+      to satisfy the requirements of this paragraph may be provided, verbatim,
+      by any party wishing to do so.
+2. If the Recipient Redistributes the Licensed Program pursuant to Paragraph 6
+   of the preceding Article, the Recipient shall meet all of the following conditions:
+  (1) The Recipient may not change the name of the Licensed Program.
+  (2) The Recipient may not alter or otherwise modify the Licensed Program.
+  (3) The Recipient must attach a copy of this Agreement to the Licensed Program.
+
+3. THIS LICENSED PROGRAM IS PROVIDED BY THE LICENSOR “AS IS” AND ANY EXPRESSED
+OR IMPLIED WARRANTY AS TO THE LICENSED PROGRAM OR ANY DERIVED PROGRAM, INCLUDING,
+BUT NOT LIMITED TO, WARRANTIES OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY, OR
+FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXTENDED, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO; PROCUREMENT OF SUBSTITUTED
+GOODS OR SERVICE; DAMAGES ARISING FROM SYSTEM FAILURE; LOSS OR CORRUPTION OF
+EXISTING DATA OR PROGRAM; LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE INSTALLATION, USE, THE REPRODUCTION
+OR OTHER EXPLOITATION OF THE LICENSED PROGRAM OR ANY DERIVED PROGRAM OR THE
+EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+4. The Licensor is under no obligation to respond to any technical questions or
+inquiries, or provide any other user support in connection with the installation,
+use or the Reproduction and Other Exploitation of the Licensed Program or Derived
+Programs thereof.
+
+
+Article 4 (Termination of Agreement)
+
+The term of this Agreement shall begin from the time of receipt of the Licensed
+Program by the Recipient and shall continue as long as the Recipient retains any
+such Licensed Program in any way.
+
+Notwithstanding the provision set forth in the preceding Paragraph, in the event
+of the breach of any of the provisions set forth in this Agreement by the Recipient,
+this Agreement shall automatically terminate without any notice. In the case of
+such termination, the Recipient may not use or conduct Reproduction and Other
+Exploitation of the Licensed Program or a Derived Program: provided that such
+termination shall not affect any rights of any other Recipient receiving the
+Licensed Program or the Derived Program from such Recipient who breached this
+Agreement.
+
+
+Article 5 (Governing Law)
+
+IPA may publish revised and/or new versions of this License. In such an event,
+the Recipient may select either this Agreement or any subsequent version of the
+Agreement in using, conducting the Reproduction and Other Exploitation of, or
+Redistributing the Licensed Program or a Derived Program. Other matters not
+specified above shall be subject to the Copyright Law of Japan and other related
+laws and regulations of Japan.
+
+This Agreement shall be construed under the laws of Japan.

test/screenshotter/test.html

@@ -12,11 +12,11 @@
       }
       @font-face {
         font-family: "Mincho";
-        src: url("/submodules/katex-test-fonts/mincho/font_1_honokamin.ttf") format("truetype");
+        src: url("fonts/mincho/font_1_honokamin.ttf") format("truetype");
       }
       @font-face {
         font-family: "Batang";
-        src: url("/submodules/katex-test-fonts/batang/batang.ttf") format("truetype");
+        src: url("fonts/batang/batang.ttf") format("truetype");
       }
       .katex .cjk_fallback {
           font-family: "Mincho",serif;