Remove code that didn't work

This method of changing `verbose_name` didn't result in any visible changes.

tubesync/sync/tasks.py

@@ -603,10 +603,5 @@ def wait_for_media_premiere(media_id):
     else:
         media.manual_skip = True
         media.title = _(f'Premieres in {hours(td(media.published))} hours')
-        task = get_media_premiere_task(str(media.pk))
-        if task:
-            task.verbose_name = _(f'Waiting for premiere of "{media.key}" '
-                                  f'in {hours(td(media.published))} hours')
-            task.save()
         media.save()