Revert "try using context as condition"

This reverts commit c251045.

Author: jsji

.github/workflows/sycl-detect-changes.yml

@@ -19,7 +19,6 @@ jobs:
     steps:
       - name: Check file changes
         uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36
-        if: ${{ context.payload.pull_request.changed_files }} < 500
         id: changes
         with:
           filters: |