removed unused $app variable
removed unused $app variable

DaGopherboy/Silex-JWT-Rest-Php,DaGopherboy/Silex-JWT-Rest-Php,jgavinray/Silex-JWT-Rest-Php,edweld/jwt-silex-api,edweld/jwt-silex-api,jgavinray/Silex-JWT-Rest-Php