core: use only user ids for group

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/core/api/groups.py

@@ -2,20 +2,16 @@
 from rest_framework.serializers import ModelSerializer
 from rest_framework.viewsets import ModelViewSet
 
-from authentik.core.api.users import UserSerializer
 from authentik.core.models import Group
 
 
 class GroupSerializer(ModelSerializer):
     """Group Serializer"""
 
-    users = UserSerializer(many=True)
-
     class Meta:
 
         model = Group
         fields = ["pk", "name", "is_superuser", "parent", "users", "attributes"]
-        depth = 2
 
 
 class GroupViewSet(ModelViewSet):