delete test

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2658>

api/tests/contrib/listenbrainz/test_tasks.py

@@ -1,15 +0,0 @@
-import datetime
-import logging
-
-import pylistenbrainz
-import pytest
-
-from django.utils import timezone
-
-from funkwhale_api.contrib.listenbrainz import tasks
-from funkwhale_api.history import models as history_models
-
-
-def test_trigger_listening_sync_with_listenbrainz():
-    # to do
-    pass