Don't set the room name to be the room alias on room creation if the client didn't supply a name

synapse/handlers/room.py

@@ -145,17 +145,6 @@ class RoomCreationHandler(BaseHandler):
                 content={"name": name},
             )
 
-            yield handle_event(name_event)
-        elif room_alias:
-            name = room_alias.to_string()
-            name_event = self.event_factory.create_event(
-                etype=RoomNameEvent.TYPE,
-                room_id=room_id,
-                user_id=user_id,
-                required_power_level=50,
-                content={"name": name},
-            )
-
             yield handle_event(name_event)
 
         if "topic" in config: