Replaced kind-voltha with cluster

Change-Id: I280db3bc36dd8364485273400aa84aca6b16cf2f
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 9ff1f35..a2c062d 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -9,7 +9,7 @@
     jobs:
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-manual'
-          build-node: 'voltha-scale'
+          build-node: 'onf-pod1-head-node'
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-dev'
           build-node: 'voltha-scale-dev'