Update README.md

👍  @ellisonleao

README.md

@@ -180,7 +180,6 @@ All with one codebase.
 * [Corona SDK](http://coronalabs.com/) - A Cross-Platform Mobile App Development for iOS and Android.
 * [GameSalad](gamesalad.com/) - Game Creation Engine for Mac and Windows.
 * [KiwiJS](http://www.kiwijs.org/) - Kiwi.js is a fun and friendly Open Source HTML5 Game Engine. Some people call it the WordPress of HTML5 game engines
-* [Unity 2D](http://unity3d.com/pages/2d-power) - We’ve recently introduced a new 2D mode to the Unity editor so now it’s even easier for you to make successful 2D games. Also cross-platform
 
 #### 3D