Remove trailing comma on final arg, npm-groovy-lint complaint

Change-Id: Ie24d7098a08f92b6268ddcd0bbfbf8d1a782c428
diff --git a/vars/installKind.groovy b/vars/installKind.groovy
index 28d4f58..3638508 100644
--- a/vars/installKind.groovy
+++ b/vars/installKind.groovy
@@ -57,7 +57,6 @@
 
 return
 """)
-
     println("** ${iam}: LEAVE")
 }
 
@@ -66,7 +65,7 @@
 Boolean call\
     (
     def self,  // jenkins env object for access to primitives like echo()
-    Closure body, // jenkins closure attached to the call iam() {closure}
+    Closure body // jenkins closure attached to the call iam() {closure}
     )
 {
     Map config           = [:]    // propogate block parameters