Revert "Pin Helm version to v2.14.3"

This reverts commit ff4f995ebc6b83366043b30d9fbc485ca4783b4b.

Change-Id: Ib676937e46ee9df21d91d542cc7798bb489dff14
diff --git a/jjb/pipeline/voltha-bbsim-tests.groovy b/jjb/pipeline/voltha-bbsim-tests.groovy
index 42b984b..df1f1a9 100644
--- a/jjb/pipeline/voltha-bbsim-tests.groovy
+++ b/jjb/pipeline/voltha-bbsim-tests.groovy
@@ -60,7 +60,6 @@
         sh """
            git clone https://github.com/ciena/kind-voltha.git
            cd kind-voltha/
-           export DESIRED_VERSION=v2.14.3    # For Helm
            DEPLOY_K8S=y JUST_K8S=y FANCY=0 ./voltha up
            """
       }
diff --git a/jjb/pipeline/voltha-go-tests.groovy b/jjb/pipeline/voltha-go-tests.groovy
index 8d282c5..ed22ee3 100644
--- a/jjb/pipeline/voltha-go-tests.groovy
+++ b/jjb/pipeline/voltha-go-tests.groovy
@@ -40,7 +40,6 @@
       steps {
         sh """
            cd kind-voltha/
-           export DESIRED_VERSION=v2.14.3    # For Helm
            EXTRA_HELM_FLAGS="${params.extraHelmFlags}" VOLTHA_LOG_LEVEL=DEBUG TYPE=minimal WITH_RADIUS=y WITH_BBSIM=y INSTALL_ONOS_APPS=y CONFIG_SADIS=y WITH_SIM_ADAPTERS=n FANCY=0 ./voltha up
            """
       }