Delete auto-close.yml

.github/workflows/auto-close.yml

-on:
-  issues:
-    types: [opened, edited]
-
-jobs:
-  auto_close_issues:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v1
-      - name: Automatically close issues that don't follow the issue template
-        uses: lucasbento/auto-close-issues@v1.0.2
-        with:
-          github-token: ${{ secrets.AUTO_CLOSE }}