Remove commented code

Author: phanikumv

airflow/models/renderedtifields.py

@@ -232,7 +232,6 @@ def _do_delete_old_records(
         session: Session,
     ) -> None:
         # This query might deadlock occasionally and it should be retried if fails (see decorator)
-        # breakpoint()
         stmt = (
             delete(cls)
             .where(