CORD-1520 Update to new Service/Tenancy models

Change-Id: I963add8252c895dd02f918d71c566768a3df1eaf
diff --git a/xos/admin.py b/xos/admin.py
index 4d86e92..312faaa 100644
--- a/xos/admin.py
+++ b/xos/admin.py
@@ -11,7 +11,7 @@
 from django.contrib.contenttypes import generic
 from suit.widgets import LinkedSelect
 from core.models import AddressPool
-from core.admin import ServiceAppAdmin,SliceInline,ServiceAttrAsTabInline, ReadOnlyAwareAdmin, XOSTabularInline, ServicePrivilegeInline, TenantRootTenantInline, TenantRootPrivilegeInline
+from core.admin import ServiceAppAdmin,SliceInline,ServiceAttrAsTabInline, ReadOnlyAwareAdmin, XOSTabularInline, ServicePrivilegeInline
 from core.middleware import get_request
 
 from functools import update_wrapper