ci: remove unusable Drive service account sync

.gitea/workflows/sync-google-drive.yml

@@ -1,35 +0,0 @@
-name: Sync changed files to Google Drive
-
-on:
-  push:
-    branches: [main]
-
-jobs:
-  sync:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Upload changed files
-        env:
-          BEFORE: ${{ gitea.event.before }}
-          AFTER: ${{ gitea.event.after }}
-          GDRIVE_FOLDER_ID: ${{ vars.GDRIVE_FOLDER_ID }}
-          GDRIVE_SERVICE_ACCOUNT_JSON: ${{ secrets.GDRIVE_SERVICE_ACCOUNT_JSON }}
-        run: |
-          curl -fsSL https://rclone.org/install.sh | sudo bash
-          key=$(mktemp)
-          config=$(mktemp)
-          trap 'rm -f "$key" "$config"' EXIT
-          printf '%s' "$GDRIVE_SERVICE_ACCOUNT_JSON" > "$key"
-          printf '[gdrive]\ntype = drive\nscope = drive\nroot_folder_id = %s\nservice_account_file = %s\n' "$GDRIVE_FOLDER_ID" "$key" > "$config"
-          if test "${BEFORE//0/}"; then
-            git diff --name-only --diff-filter=ACMRT -z "$BEFORE" "$AFTER"
-          else
-            git ls-files -z
-          fi | while IFS= read -r -d '' file; do
-            case "$file" in build|build/*) continue ;; esac
-            rclone copyto --config "$config" "$file" "gdrive:$file"
-          done