Change position of the helm mgmt scripts to share it between multiple repos

Change-Id: I6ce594bdcc8d7da9185f3ec50edd10f7b2273fe7
diff --git a/jjb/charts.yaml b/jjb/charts.yaml
index 20dd3d9..7348765 100644
--- a/jjb/charts.yaml
+++ b/jjb/charts.yaml
@@ -60,7 +60,9 @@
           helm init --client-only
           helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com/
           helm repo add rook-beta https://charts.rook.io/beta
-          ./scripts/helmrepo.sh
+
+          git clone https://gerrit.opencord.org/helm-repo-tools
+          ./helm-repo-tools/helmrepo.sh
 
           # Copy repo to host
           rsync -rvzh chart_repo/ {docs-ssh-host}:/var/www/charts