CORD-3116 Remove subscriber device support from vSG

Change-Id: Ia0801d66218c2e26f1760e72d9d0f5db2e35b78e
diff --git a/xos/synchronizer/steps/sync_vsgserviceinstance.py b/xos/synchronizer/steps/sync_vsgserviceinstance.py
index b062f59..b0faf07 100644
--- a/xos/synchronizer/steps/sync_vsgserviceinstance.py
+++ b/xos/synchronizer/steps/sync_vsgserviceinstance.py
@@ -79,15 +79,8 @@
 
         full_setup = True
 
+        # NOTE(smbaker): User devices removed as part of CORD-3116
         safe_macs=[]
-        if vsg_service.url_filter_kind == "safebrowsing":
-            if o.volt and o.volt.subscriber:
-                for user in o.volt.subscriber.devices and hasattr(o.volt.subscriber, "devices"):
-                    level = user.get("level",None)
-                    mac = user.get("mac",None)
-                    if level in ["G", "PG"]:
-                        if mac:
-                            safe_macs.append(mac)
 
         docker_opts = []
         if vsg_service.docker_insecure_registry: