Remove unused import

Author: icovada

django_celery_results/backends/database.py

@@ -8,7 +8,6 @@
 from celery.utils.log import get_logger
 from celery.utils.serialization import b64decode, b64encode
 from django.db import connection, router, transaction
-from django.db.models.functions import Now
 from django.db.utils import InterfaceError
 from kombu.exceptions import DecodeError