remove exception catch in stopping phase

main.py

@@ -25,8 +25,6 @@ async def startup(fast_api: FastAPI):
                MYSQL_PASS
     )
     mysql_client = get_mysql_session_local()
-    mysql_engine = get_mysql_engine()
-    print(f"{mysql_engine=}")
     print("mysql init done")
     task = asyncio.create_task(internal_loop(influxdb_client, mysql_client))
     yield