removed dead code (Cursor)

Author: mishushakov

template/server/messaging.py

@@ -221,9 +221,6 @@ async def _cleanup_env_vars(self, env_vars: Dict[StrictStr, str]):
                         logger.error(f"Error during env var cleanup: {item}")
         finally:
             del self._executions[message_id]
-            # Clear the task reference when cleanup is complete
-            if self._cleanup_task and self._cleanup_task.done():
-                self._cleanup_task = None
 
     async def _wait_for_result(self, message_id: str):
         queue = self._executions[message_id].queue