VOL-3365 update creation of kubectl config file

Change-Id: I7d35f699c8a6f73bc77cc175c7b40adc5d4fb603
diff --git a/voltha b/voltha
index 65347e9..87512fd 100755
--- a/voltha
+++ b/voltha
@@ -1752,13 +1752,12 @@
     echo "" | tee -a "$LOG"
     echo -en "$BOLD"
     if [ "$DEPLOY_K8S" == "yes" ]; then
-        if [ "$HELM_MAJOR" -le 2 ]; then
-            KUBECONFIG="$(kind get kubeconfig-path --name="voltha-$NAME")"; export KUBECONFIG
-        else
-            KUBECONFIG="$HOME/.kube/kind-config-voltha-$NAME"; export KUBECONFIG
-            mkdir -p "$HOME/.kube"
-            kind get kubeconfig --name="voltha-$NAME" >"$KUBECONFIG"
-        fi
+        KUBECONFIG_TMP=$(mktemp)
+        kind get kubeconfig --name="voltha-$NAME" >"$KUBECONFIG_TMP"
+        mkdir -p "$HOME/.kube"
+        KUBECONFIG="$HOME/.kube/kind-config-voltha-$NAME"; export KUBECONFIG
+        cp "$KUBECONFIG_TMP" "$KUBECONFIG"
+        rm -rf "$KUBECONFIG_TMP"
         echo "export KUBECONFIG=\"$KUBECONFIG\"" | tee -a "$LOG"
     fi
     echo "export PATH=$GOPATH/bin:\$PATH" | tee -a "$LOG"