Revert "WIP run flaky detector in bundle mode..."

This reverts commit 61dc634.

Author: mydea

.github/workflows/flaky-test-detector.yml

@@ -85,7 +85,6 @@ jobs:
         env:
           CHANGED_TEST_PATHS: ${{ steps.changed.outputs.browser_integration_files }}
           TEST_RUN_COUNT: 'AUTO'
-          PW_BUNDLE: bundle_tracing_replay_feedback
 
       - name: Artifacts upload
         uses: actions/upload-artifact@v4