repo: Really ignore progress changed user data

The documentation says this is ignored, implying that you should pass
NULL to it. However, the function immediately returns in this case even
though the argument isn't used anywhere.

Closes: #458
Approved by: cgwalters

src/libostree/ostree-repo.c

@@ -3839,10 +3839,6 @@ ostree_repo_pull_default_console_progress_changed (OstreeAsyncProgress *progress
   guint fetched_delta_parts;
   guint total_delta_parts;
 
-  /* Historical note; we used to treat this as a GSConsole instance */
-  if (user_data == NULL)
-    return;
-
   buf = g_string_new ("");
 
   status = ostree_async_progress_get_status (progress);