Remove Dependabot config

.github/dependabot.yml

@@ -1,20 +0,0 @@
-version: 2
-updates:
-- package-ecosystem: npm
-  directory: "/"
-  schedule:
-    interval: weekly
-  open-pull-requests-limit: 10
-  ignore:
-  - dependency-name: core-js
-    versions:
-    - "> 2.6.4"
-  - dependency-name: eslint
-    versions:
-    - "> 7.32.0"
-  - dependency-name: node-sass
-    versions:
-    - "> 6.0.1"
-  - dependency-name: webpack
-    versions:
-    - "> 4.46.0"