Utility functions cleanup: Cleanup lib/utils/classes.js

lib/utils/classes.js

@@ -1,9 +1,5 @@
 /* Class utilities */
 var classes = {
-  /*
-   * The code needs to be in sync with the code template in the compilation
-   * function for "action" nodes.
-   */
   subclass: function(child, parent) {
     function ctor() { this.constructor = child; }
     ctor.prototype = parent.prototype;