print STACK_TYPE during cleanup

Change-Id: I27f92e1e5b2eb186e3520d9fdb32d0a9baf6b362
diff --git a/cleanup-pipeline.groovy b/cleanup-pipeline.groovy
index cf6252e..f2c9da0 100644
--- a/cleanup-pipeline.groovy
+++ b/cleanup-pipeline.groovy
@@ -37,6 +37,8 @@
         STACK_TYPE = 'heat'
     }
 
+    common.infoMsg("Going to delelete stack type: " + STACK_TYPE)
+
     stage('Install environment') {
         if (STACK_TYPE == 'heat') {