Removing reference to incubator repo

Change-Id: I8b206cd25ef8109867057fb3048f190e94b7a033
diff --git a/jjb/charts.yaml b/jjb/charts.yaml
index 72d5c5f..8ae7e38 100644
--- a/jjb/charts.yaml
+++ b/jjb/charts.yaml
@@ -68,7 +68,7 @@
 
           # Setup helm and external repos
           helm init --client-only
-          helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com
+          helm repo add stable https://charts.helm.sh/stable
           helm repo add rook-release https://charts.rook.io/release
           helm repo add cord https://charts.opencord.org
           helm repo add elastic  https://helm.elastic.co