Revert "Using onos-2.5 in HW jobs"

This reverts commit 00fed7ac583b2eee546a7b0fe48a73a07f8e96cf.

Reason for revert: onos-2.5 is now in voltha-onos master

Change-Id: I7fd05c4c3da7a682cc086ec0dbdca97498b2f6aa
diff --git a/kubernetes-configs/voltha/dt-berlin-pod-multi-olt.yml b/kubernetes-configs/voltha/dt-berlin-pod-multi-olt.yml
index db76823..f739c7c 100644
--- a/kubernetes-configs/voltha/dt-berlin-pod-multi-olt.yml
+++ b/kubernetes-configs/voltha/dt-berlin-pod-multi-olt.yml
@@ -17,8 +17,7 @@
   image_pullPolicy: Always
 onos-classic:
   image:
-    repository: "andreacampanella/voltha-onos"
-    tag: "voltha-onos-2.5"
+    tag: "master"
 
 onosSshPort: 30115
 onosApiPort: 30120
@@ -29,7 +28,7 @@
 #images:
 #  onos:
 #    repository: "andreacampanella/voltha-onos"
-#    tag: "voltha-onos-2.5"
+#    tag: "olt-required-drivers"
 
 deployments:
   etcdOperator: true