test: remove FLAKY designation for test-http2-client-upload-reject
The test hasn't failed in a long time as far as I can tell. The issue may have been fixed by various event updates/changes to http2 and related systems.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The test hasn't failed in a long time as far as I can tell. The issue may have been fixed by various event updates/changes to http2 and related systems.