Eliminate rooms outlier service, duplicate subset of timeline service.

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/client/membership/knock.rs

@@ -541,8 +541,9 @@ async fn knock_room_helper_remote(
 
 		services
 			.rooms
-			.outlier
+			.timeline
 			.add_pdu_outlier(&event_id, &event);
+
 		state_map.insert(shortstatekey, event_id.clone());
 	}