[CORD-3120] Adding remove subscriber call in ONOS-VOLTHA

Change-Id: Ife1561f71f59e73b7659db236af95f9c70f109d1
diff --git a/samples/pon_port.yaml b/samples/pon_port.yaml
index a97d315..28218e2 100644
--- a/samples/pon_port.yaml
+++ b/samples/pon_port.yaml
@@ -27,9 +27,7 @@
     device#olt:
       type: tosca.nodes.OLTDevice
       properties:
-        device_type: simulated_olt
-        host: 172.17.0.1
-        port: 50060
+        name: test_olt
         must-exist: true
 
     pon_port: