chore: Remove unused codes

Remove the coroutine.py file because unused codes.

Change-Id: I095ecd652c8ab17323ad330acb9bf4eddd790336

skyline_apiserver/utils/coroutine.py

@@ -1,29 +0,0 @@
-# Copyright 2021 99cloud
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from __future__ import annotations
-
-import asyncio
-from functools import wraps
-from typing import Any
-
-from skyline_apiserver.types import Fn
-
-
-def sync_run(fn: Fn) -> Fn:
-    @wraps(fn)
-    def wrapper(*args: Any, **kwargs: Any) -> Any:
-        return asyncio.run(fn(*args, **kwargs))
-
-    return wrapper