Remove "remainder match" in comments page route

This was never actually necessary, and will need to be dropped to
support a separate link/page for individual comments (and
children/context).

tildes/tildes/routes.py

@@ -36,7 +36,7 @@ def includeme(config: Configurator) -> None:
 
         config.add_route("group_topics", "/topics", factory=group_by_path)
 
-        config.add_route("topic", "/{topic_id36}*title", factory=topic_by_id36)
+        config.add_route("topic", "/{topic_id36}/{title}", factory=topic_by_id36)
 
     config.add_route("user", "/user/{username}", factory=user_by_username)
     with config.route_prefix_context("/user/{username}"):