removed obsolete cookbook entry
removed obsolete cookbook entry

arduanov/Silex,fabpot/Silex,mathroc/Silex,silexphp/Silex,cgsmith/Silex,fhinkel/Silex,cesarmarinhorj/Silex,cgsmith/Silex,plotek/Silex,fabpot/Silex,plotek/Silex,beealone/Silex,mTorres/Silex,romainneutron/Silex,jdreesen/Silex,fhinkel/Silex,mmauri04/Silex,arduanov/Silex,romainneutron/Silex,gencer/Silex,Xephi/Silex,jdreesen/Silex,mathroc/Silex,cesarmarinhorj/Silex,mTorres/Silex,romainneutron/Silex,mmauri04/Silex,beealone/Silex,Xephi/Silex