CORD-1083 move CordSubscriberRoot to rcord repo

Change-Id: I153668a67abcf0ab461b59ed3ed6a63afcf5f7c4
diff --git a/xos/attic/header.py b/xos/attic/header.py
index 8561d92..56ffd5e 100644
--- a/xos/attic/header.py
+++ b/xos/attic/header.py
@@ -10,6 +10,7 @@
 from core.models import Tag
 from core.models.service import LeastLoadedNodeScheduler
 from services.vrouter.models import VRouterService, VRouterTenant
+from services.rcord.models import CordSubscriberRoot
 import traceback
 from xos.exceptions import *
 from xos.config import Config
@@ -18,6 +19,5 @@
     pass
 
 VOLT_KIND = "vOLT"
-CORD_SUBSCRIBER_KIND = "CordSubscriberRoot"
 
 CORD_USE_VTN = getattr(Config(), "networking_use_vtn", False)