style: drop redundant utf-8 encode arguments

gns3server/api/routes/controller/projects.py

@@ -543,7 +543,7 @@ async def project_http_notifications(project_id: UUID) -> StreamingResponse:
             with controller.notification.project_queue(project.id) as queue:
                 while not app.state.exiting:
                     msg = await queue.get_json(5)
-                    yield f"{msg}\n".encode("utf-8")
+                    yield f"{msg}\n".encode()
         finally:
             log.info(f"Client has disconnected from notification for project ID '{project.id}' (HTTP stream method)")
             if project.auto_close: