Remove workflow

.github/workflows/main.yml

@@ -1,22 +0,0 @@
-name: subtree-index
-
-on: [push]
-
-jobs:
-  sync-downstream:
-
-    runs-on: ubuntu-latest
-
-    name: Update downstream infogulch/index repo
-
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-      - uses: nxtlvlsoftware/git-subtree-action@1.1
-        with:
-          repo: infogulch/index
-          path: .
-          deploy_key: ${{ secrets.DOWNSTREAM_GITHUB_DEPLOY_KEY }}
-          force: false # will force push to the downstream repository
-