removed double code

lib/util.js

@@ -1099,7 +1099,7 @@ exports.mergeOptions = function (mergeTarget, options, option) {
     }
     else {
       mergeTarget[option].enabled = true;
-      for (prop in options[option]) {
+      for (var prop in options[option]) {
         if (options[option].hasOwnProperty(prop)) {
           mergeTarget[option][prop] = options[option][prop];
         }
@@ -1109,34 +1109,6 @@ exports.mergeOptions = function (mergeTarget, options, option) {
 }
 
 
-/**
- * this is used to set the options of subobjects in the options object. A requirement of these subobjects
- * is that they have an 'enabled' element which is optional for the user but mandatory for the program.
- *
- * @param [object] mergeTarget | this is either this.options or the options used for the groups.
- * @param [object] options     | options
- * @param [String] option      | this is the option key in the options argument
- * @private
- */
-exports.mergeOptions = function (mergeTarget, options, option) {
-  if (options[option] !== undefined) {
-    if (typeof options[option] == 'boolean') {
-      mergeTarget[option].enabled = options[option];
-    }
-    else {
-      mergeTarget[option].enabled = true;
-      for (prop in options[option]) {
-        if (options[option].hasOwnProperty(prop)) {
-          mergeTarget[option][prop] = options[option][prop];
-        }
-      }
-    }
-  }
-}
-
-
-
-
 /**
  * This function does a binary search for a visible item in a sorted list. If we find a visible item, the code that uses
  * this function will then iterate in both directions over this sorted list to find all visible items.