chore: clean git cache

.github/workflows/gh_cache_cleanup.yml

@@ -1,31 +0,0 @@
-name: Cleanup github runner caches on closed pull requests
-on:
-  workflow_dispatch:
-    inputs:
-      pr_number:
-        description: 'PR number to clean caches for'
-        required: true
-        type: string
-
-jobs:
-  cleanup:
-    runs-on: ubuntu-latest
-    permissions:
-      actions: write
-    steps:
-      - name: Cleanup
-        run: |
-          echo "Fetching list of cache keys"
-          cacheKeysForPR=$(gh cache list --ref "$BRANCH" --limit 100 --json id --jq '.[].id')
-
-          ## Setting this to not fail the workflow while deleting cache keys.
-          set +e
-          echo "Deleting caches..."
-            while IFS= read -r cacheKey; do
-              gh cache delete "$cacheKey"
-            done <<< "$cacheKeysForPR"
-          echo "Done"
-        env:
-          GH_TOKEN: ${{ github.token }}
-          GH_REPO: ${{ github.repository }}
-          BRANCH: refs/pull/${{ inputs.pr_number }}/merge