add outdated warning

Change-Id: I41523e781c39db42c4be9323dad430f8b4161971
diff --git a/mk-k8s-simple-deploy-pipeline.groovy b/mk-k8s-simple-deploy-pipeline.groovy
index deb409e..8ae0ae6 100644
--- a/mk-k8s-simple-deploy-pipeline.groovy
+++ b/mk-k8s-simple-deploy-pipeline.groovy
@@ -1,4 +1,5 @@
 /**
+ * DO NOT USE THIS OUTDATED PIPELINE - add your steps to mk-lab-pipeline
  *
  * Launch heat stack with basic k8s
  *