grpc_server: get rid of _force_log task

src/vllm_tgis_adapter/grpc/grpc_server.py

@@ -922,21 +922,15 @@ async def run_grpc_server(
     *,
     disable_log_stats: bool,
 ) -> None:
-    async def _force_log() -> None:
-        while True:
-            await asyncio.sleep(10)
-            await engine.do_log_stats()
-
-    if not disable_log_stats:
-        asyncio.create_task(_force_log())  # noqa: RUF006
-
     assert args is not None
 
     server = await start_grpc_server(engine, args)
 
     try:
         while True:
-            await asyncio.sleep(60)
+            await asyncio.sleep(10)
+            if not disable_log_stats:
+                await engine.do_log_stats()
     except asyncio.CancelledError:
         print("Gracefully stopping gRPC server")  # noqa: T201
         await server.stop(30)  # TODO configurable grace