Allow removing an appservice room via just the room ID

Room IDs are considered unique across a homeserver, but namely we needed
to do this as homeserver admins don't have an appservice ID associated
with them, so we couldn't delete via AS ID.

synapse/storage/databases/main/room.py

@@ -1396,8 +1396,6 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore):
                     txn,
                     table="appservice_room_list",
                     keyvalues={
-                        "appservice_id": appservice_id,
-                        "network_id": network_id,
                         "room_id": room_id,
                     },
                 )