epc-as-a-service functionality added

Change-Id: I4cb79a3305ead02391f9c31faa0225d549618b78
diff --git a/xos/tosca/resources/vsgwutenant.py b/xos/tosca/resources/vsgwutenant.py
index c44459a..6cad6d5 100644
--- a/xos/tosca/resources/vsgwutenant.py
+++ b/xos/tosca/resources/vsgwutenant.py
@@ -6,7 +6,7 @@
     provides = "tosca.nodes.VSGWUTenant"
     xos_model = VSGWUTenant
     name_field = "service_specific_id"
-    copyin_props = ("tenant_message",)
+    copyin_props = ()
 
     def get_xos_args(self, throw_exception=True):
         args = super(XOSVSGWUTenant, self).get_xos_args()