Refactoring for cord helm repo

Change-Id: Id9343dc349e6c96d2f0e68b4c48255fe62e1cfc1
diff --git a/jjb/lint.yaml b/jjb/lint.yaml
index a54cadc..73e9bbf 100644
--- a/jjb/lint.yaml
+++ b/jjb/lint.yaml
@@ -132,7 +132,7 @@
           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
-          helm repo add cord https://charts.opencord.org/master
+          helm repo add cord https://charts.opencord.org
 
           ./scripts/helmlint.sh clean