epc-as-a-service functionality added

Change-Id: I20b5dd073ef75c83a07c41c987b7ec05e4aa2f06
diff --git a/xos/tosca/resources/vsgwctenant.py b/xos/tosca/resources/vsgwctenant.py
index 6b1d46c..d27028b 100644
--- a/xos/tosca/resources/vsgwctenant.py
+++ b/xos/tosca/resources/vsgwctenant.py
@@ -6,7 +6,7 @@
     provides = "tosca.nodes.VSGWCTenant"
     xos_model = VSGWCTenant
     name_field = "service_specific_id"
-    copyin_props = ("tenant_message",)
+    copyin_props = ()
 
     def get_xos_args(self, throw_exception=True):
         args = super(XOSVSGWCTenant, self).get_xos_args()