Starting voltha scale jobs for 2.8 LTS release

Change-Id: I2cadd4e28e01f0f2f11406c00c28c0bd050d3bdd
diff --git a/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy b/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy
index 85e32e4..d8185e4 100644
--- a/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha/voltha-2.8/voltha-scale-test.groovy
@@ -237,10 +237,8 @@
 
             println "Passing the following parameters to the VOLTHA infra deploy: ${infraHelmFlags}."
 
-            def localCharts = false
-            if (volthaHelmChartsChange != "" || branch != "master") {
-              localCharts = true
-            }
+            // in a released version we always want to use the local version of the helm-charts
+            def localCharts = true
 
             volthaInfraDeploy([
               workflow: workflow,