Delete dependabot (#54)

.github/dependabot.yml

@@ -1,16 +0,0 @@
-# yaml-language-server: $schema=https://json.schemastore.org/dependabot-2.0.json
-version: 2
-updates:
-
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-
-  - package-ecosystem: "nuget"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    ignore:
-      # Target the lowest version of FSharp.Core, for max compat
-      - dependency-name: "FSharp.Core"