Eliminate rooms outlier service, duplicate subset of timeline service.

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

src/service/rooms/event_handler/fetch_prev.rs

@@ -73,7 +73,7 @@ where
 				if json_opt.is_none() {
 					json_opt = self
 						.services
-						.outlier
+						.timeline
 						.get_outlier_pdu_json(&prev_event_id)
 						.await
 						.ok();

src/service/rooms/event_handler/handle_outlier_pdu.rs

@@ -151,7 +151,7 @@ where
 
 	// 7. Persist the event as an outlier.
 	self.services
-		.outlier
+		.timeline
 		.add_pdu_outlier(pdu_event.event_id(), &incoming_pdu);
 
 	trace!("Added pdu as outlier.");

src/service/rooms/event_handler/mod.rs

@@ -41,7 +41,6 @@ struct Services {
 	sending: Dep<sending::Service>,
 	auth_chain: Dep<rooms::auth_chain::Service>,
 	metadata: Dep<rooms::metadata::Service>,
-	outlier: Dep<rooms::outlier::Service>,
 	pdu_metadata: Dep<rooms::pdu_metadata::Service>,
 	server_keys: Dep<server_keys::Service>,
 	short: Dep<rooms::short::Service>,
@@ -66,7 +65,6 @@ impl crate::Service for Service {
 				sending: args.depend::<sending::Service>("sending"),
 				auth_chain: args.depend::<rooms::auth_chain::Service>("rooms::auth_chain"),
 				metadata: args.depend::<rooms::metadata::Service>("rooms::metadata"),
-				outlier: args.depend::<rooms::outlier::Service>("rooms::outlier"),
 				server_keys: args.depend::<server_keys::Service>("server_keys"),
 				pdu_metadata: args.depend::<rooms::pdu_metadata::Service>("rooms::pdu_metadata"),
 				short: args.depend::<rooms::short::Service>("rooms::short"),