Forget cancelled songs instead of state=(*)

marietje/api/views.py

@@ -214,8 +214,7 @@ def cancel(request):
     playlist_song = get_object_or_404(PlaylistSong, id=request.POST.get('id'))
     if playlist_song.user != request.user and not request.user.has_perm('queues.can_cancel'):
         return HttpResponseForbidden()
-    playlist_song.state = 3
-    playlist_song.save()
+    playlist_song.delete()
     return JsonResponse({})