epc-as-a-service functionality added

Change-Id: Ia1da1cb2c82eaf77cf87e9e80f3f1a93c433cbe5
diff --git a/xos/tosca/resources/vhsstenant.py b/xos/tosca/resources/vhsstenant.py
index aa027a1..3ffc83f 100644
--- a/xos/tosca/resources/vhsstenant.py
+++ b/xos/tosca/resources/vhsstenant.py
@@ -6,7 +6,7 @@
     provides = "tosca.nodes.VHSSTenant"
     xos_model = VHSSTenant
     name_field = "service_specific_id"
-    copyin_props = ("tenant_message",)
+    copyin_props = ()
 
     def get_xos_args(self, throw_exception=True):
         args = super(XOSVHSSTenant, self).get_xos_args()