Change ci yml

.github/workflows/ci.yml

@@ -1,17 +0,0 @@
-name: ci
-
-on:
-  pull_request:
-    branches: [ $default-branch ]
-
-jobs:
-  markdown:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Install packages
-        run: sudo gem install mdl
-      - name: Lint markdown files
-        run: mdl . -r ~MD036,~MD024,~MD004,~MD029
-        # Suppress 036 Emphasis used instead of a header
-        # Suppress 024 Multiple headers with the same content