Venture Beat – Zynga has withdrawn an application for a gambling license in Nevada. Ever since Don Mattrick became chief executive in July, the company has deemphasized its effort to create real-money gambling games in the U.S. It’s instead focusing on nongambling versions of games such as Zynga Poker. Zynga still has a huge following for its Zynga Poker social casino game on Facebook and mobile. But it’s no longer is pouring resources into real-money gambling in the U.S., where online gambling games are inching their way into legality on a state-by-state basis. Zynga said back in July that Zynga…