remove references to openstack_xos

Change-Id: Ie15ad93d36ee8069cad5d04d3e5974f737f31b57
diff --git a/xos/synchronizer/steps/sync_controller_users.py b/xos/synchronizer/steps/sync_controller_users.py
index c9de142..1a6b3e7 100644
--- a/xos/synchronizer/steps/sync_controller_users.py
+++ b/xos/synchronizer/steps/sync_controller_users.py
@@ -9,7 +9,6 @@
 from core.models.user import User
 from core.models.controlleruser import ControllerUser
 from synchronizers.base.ansible import *
-from openstack_xos.driver import OpenStackDriver
 from xos.logger import observer_logger as logger
 import json
 
@@ -29,7 +28,7 @@
 
         roles = ['user']
         if controller_user.user.is_admin:
-            driver = OpenStackDriver().admin_driver(controller=controller_user.controller)
+            driver = self.driver.admin_driver(controller=controller_user.controller)
             roles.append(driver.get_admin_role().name)
 
         # setup user home site roles at controller