featureflag: Remove TransactionalSymbolicRefUpdates featureflag
This feature flag has been set to default on, and deleted from production. There have been no observable issues, so it's now safe to fully remove the feature flag.
Changelog: changed
This feature flag has been set to default on, and deleted from production. There have been no observable issues, so it's now safe to fully remove the feature flag.
Changelog: changed