Remove cache cleanup action

.github/actions/cache-cleanup/action.yml

@@ -1,54 +0,0 @@
-name: Cache Cleanup
-description: Deletes cache releases for the specified cache buckets.
-
-inputs:
-  cache_bucket:
-    description: Single release tag name to delete (use cache_buckets for multiple)
-    required: false
-    default: 'general-cache'
-  cache_buckets:
-    description: Multiline list of release tag names to delete
-    required: false
-    default: ""
-  github_token:
-    description: GitHub token for release deletion authentication
-    required: true
-  confirm:
-    description: Must be true to actually delete releases
-    required: false
-    default: false
-
-runs:
-  using: "composite"
-  steps:
-    - name: Delete Cache Releases
-      shell: bash
-      env:
-        GITHUB_TOKEN: ${{ inputs.github_token }}
-        TARGET_REPO: "${{ github.repository }}"
-      run: |
-        set -euo pipefail
-
-        if [ "${{ inputs.confirm }}" != "true" ]; then
-          echo "Cache cleanup is disabled. Re-run with confirm=true to delete releases."
-          exit 0
-        fi
-
-        BUCKETS_INPUT="${{ inputs.cache_buckets }}"
-        if [ -z "$BUCKETS_INPUT" ]; then
-          BUCKETS_INPUT="${{ inputs.cache_bucket }}"
-        fi
-
-        IFS=$'\n' read -rd '' -a BUCKETS_ARRAY <<<"$BUCKETS_INPUT" || true
-
-        for TAG_NAME in "${BUCKETS_ARRAY[@]}"; do
-          [ -z "$TAG_NAME" ] && continue
-
-          echo "Checking cache release: $TAG_NAME"
-          if gh release view "$TAG_NAME" --repo "$TARGET_REPO" >/dev/null 2>&1; then
-            echo "Deleting cache release and tag: $TAG_NAME"
-            gh release delete "$TAG_NAME" --cleanup-tag -y --repo "$TARGET_REPO"
-          else
-            echo "No cache release found for $TAG_NAME"
-          fi
-        done