Draft: chore: cleanup skip_committer_email_check feature flag
Relates to issue #561531 (closed)
This MR was created by Duo in Session 1103290
Changes
- Remove all references to the
skip_committer_email_checkfeature flag from the codebase - Remove the YAML definition for the feature flag
- Create changelog entry for the feature flag cleanup
- Update tests to remove feature flag stubbing