Removed unused lines

lib/key_generators/dictionary.js

@@ -1,5 +1,4 @@
 var fs = require('fs')
-var dictionary;
 
 var DictionaryGenerator = function(options) {
   //Options
@@ -18,10 +17,8 @@ var DictionaryGenerator = function(options) {
 //Generates a dictionary-based key, of keyLength words
 DictionaryGenerator.prototype.createKey = function(keyLength) {
   var text = '';
-  for(var i = 0; i < keyLength; i++) {
-    var index =Math.floor(Math.random()*this.dictionary.length);
-    text += this.dictionary[index];
-  }
+  for(var i = 0; i < keyLength; i++)
+    text += this.dictionary[Math.floor(Math.random()*this.dictionary.length)];
 
   return text;
 };