reverting onu custom image to master

Change-Id: I99a9416c1f4e5d47387573c9485a0544c292571e
diff --git a/kubernetes-configs/voltha/onf-demo-pod.yml b/kubernetes-configs/voltha/onf-demo-pod.yml
index 6d4ee9b..c5e57fe 100644
--- a/kubernetes-configs/voltha/onf-demo-pod.yml
+++ b/kubernetes-configs/voltha/onf-demo-pod.yml
@@ -21,10 +21,6 @@
     repository: matteoscandolo/voltha-onos
     tag: 1.13.10
 
-  adapter_open_onu:
-    repository: etowah/voltha-openonu-adapter
-    tag: linkstatetesting
-
 deployments:
   etcdOperator: true
   backupOperator: false