Delete unused

Author: dandavison

tests/worker/test_update_with_start.py

@@ -4,7 +4,7 @@
 from contextlib import contextmanager
 from datetime import timedelta
 from enum import Enum
-from typing import Any, Iterator, NoReturn
+from typing import Any, Iterator
 from unittest.mock import patch
 
 import pytest
@@ -360,17 +360,6 @@ def make_start_op(workflow_id: str):
         assert (await start_op_4.workflow_handle()).first_execution_run_id is not None
 
 
-@workflow.defn
-class NeverExecutedWorkflow:
-    @workflow.run
-    async def run(self) -> NoReturn:
-        raise NotImplementedError("This is never executed")
-
-    @workflow.update
-    async def do_update(self) -> NoReturn:
-        raise NotImplementedError("This is never executed")
-
-
 async def test_update_with_start_failure_start_workflow_error(client: Client):
     """
     When the workflow start fails, the update_with_start_call should raise the appropriate