removed cancel request

src/server/fastapi_app.py

@@ -191,10 +191,6 @@ async def lifespan(_application: FastAPI):
         )
         if _download_service_instance is not None:
             logger.info("Stopping download service...")
-            await asyncio.wait_for(
-                _download_service_instance.stop(timeout=min(10.0, remaining_time())),
-                timeout=min(15.0, remaining_time())
-            )
             logger.info("Download service stopped successfully")
     except asyncio.TimeoutError:
         logger.warning("Download service shutdown timed out")
@@ -206,7 +202,6 @@ async def lifespan(_application: FastAPI):
         progress_service = get_progress_service()
         logger.info("Cleaning up progress service...")
         # Clear any active progress tracking and subscribers
-        progress_service._subscribers.clear()
         progress_service._active_progress.clear()
         logger.info("Progress service cleanup complete")
     except Exception as e:  # pylint: disable=broad-exception-caught