Remove cordova.define() wrapper

Per https://github.com/phonegap/phonegap-mobile-accessibility/pull/2#issuecomment-32664736, remove the cordova.define wrapper so that the plugin will install correctly with Plugman

www/mobile-accessibility.js

@@ -1,4 +1,4 @@
-cordova.define("com.phonegap.plugin.mobile-accessibility.mobile-accessibility", function(require, exports, module) {/*
+/*
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -164,6 +164,5 @@ MobileAccessibility.prototype._error = function(e) {
 };
 
 var mobileAccessibility = new MobileAccessibility();
-               
+
 module.exports = mobileAccessibility;
-});