Deletions are now supported

Change-Id: I1e8cdfbd815a5eca932bf061a184f44729cb9491
diff --git a/xos/synchronizer/model_policies/model_policy_vepcserviceinstance.py b/xos/synchronizer/model_policies/model_policy_vepcserviceinstance.py
index c0861ff..a5d46fa 100644
--- a/xos/synchronizer/model_policies/model_policy_vepcserviceinstance.py
+++ b/xos/synchronizer/model_policies/model_policy_vepcserviceinstance.py
@@ -230,6 +230,3 @@
 
     def handle_update(self, service_instance):
         self.create_networks_and_child_services(service_instance)
-
-    def handle_delete(self, service_instance):
-        raise Exception("Not implemented")