.github/workflows/sync-labels.yml: remove workflow

.github/workflows/sync-labels.yml

@@ -1,27 +0,0 @@
-name: Sync labels.
-
-on: label
-
-permissions:
-  contents: read
-
-jobs:
-  sync-labels:
-    if: github.repository == 'Homebrew/homebrew-cask'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-
-      - name: Event Data
-        run: |
-          echo '${{ toJSON(github.event) }}'
-
-      - name: Sync Labels
-        run: |
-          gem install --user-install octokit
-          ./.github/actions/sync/labels.rb '${{ github.repository }}' \
-            Homebrew/homebrew-cask-fonts
-        env:
-          GITHUB_TOKEN: ${{ secrets.HOMEBREW_GITHUB_PUBLIC_REPO_TOKEN }}