revert DMaaP ZooKeeper version to 6.0.0

Issue-ID: DMAAP-1272
Change-Id: I193bfae6dc39d584838cb3da561684dc7854499c
Signed-off-by: su622b <su622b@att.com>
diff --git a/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/values.yaml b/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/values.yaml
index 9c72958..4c5541b 100644
--- a/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/values.yaml
+++ b/kubernetes/dmaap/components/message-router/charts/message-router-zookeeper/values.yaml
@@ -30,7 +30,7 @@
 #################################################################
 # application image
 repository: nexus3.onap.org:10001
-image: onap/dmaap/zookeeper:6.0.1
+image: onap/dmaap/zookeeper:6.0.0
 pullPolicy: Always
 ubuntuInitImage: oomk8s/ubuntu-init:2.0.0
 busyBoxImage: busybox:1.30