remove else block and return None by the outer conditional

lib/galaxy/managers/users.py

@@ -608,8 +608,7 @@ def send_reset_email(self, trans, payload, **kwd):
                 except Exception as e:
                     log.debug(body)
                     return f"Failed to submit email. Please contact the administrator: {util.unicodify(e)}"
-            else:
-                return None
+        return None
 
     def get_reset_token(self, trans, email):
         reset_user = get_user_by_email(trans.sa_session, email, self.app.model.User)