[VOL-4602] Removing ONU image update test from multistack scale test

Change-Id: I8eaf4aa88e477aa77347d92dce947fce8fda6cd0
diff --git a/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy b/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy
index c58da51..21331f8 100644
--- a/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy
+++ b/jjb/pipeline/voltha/master/voltha-scale-multi-stack.groovy
@@ -429,6 +429,7 @@
             -v withIgmp:${withIgmp} \
             --noncritical non-critical \
             -e igmp \
+            -e onu-upgrade \
             -e teardown "
 
           if [ ${withEapol} = false ] ; then
diff --git a/jjb/pipeline/voltha/voltha-2.8/voltha-scale-multi-stack.groovy b/jjb/pipeline/voltha/voltha-2.8/voltha-scale-multi-stack.groovy
index f7e82de..8161b70 100644
--- a/jjb/pipeline/voltha/voltha-2.8/voltha-scale-multi-stack.groovy
+++ b/jjb/pipeline/voltha/voltha-2.8/voltha-scale-multi-stack.groovy
@@ -426,6 +426,7 @@
             -v withIgmp:${withIgmp} \
             --noncritical non-critical \
             -e igmp \
+            -e onu-upgrade \
             -e teardown "
 
           if [ ${withEapol} = false ] ; then