removed token joi validation from username param for login api
removed token joi validation from username param for login api

marcopeise/coop,bigbassroller/Ignitor-frame,bigbassroller/Angular2-Frame-Backend,greenbananaCH/frame,jedireza/frame,marcopeise/coop,waysay/frame,Silom/frame,bigbassroller/Angular2-Frame-Backend,bigbassroller/Ignitor-frame,greenbananaCH/frame,waysay/frame