Remove unused vows tests.
Remove unused vows tests.

kidaa/passport,jameswomack/passport-restify,kolomiichenko/passport,imjerrybao/passport,bartuspan/passport,wakashige/passport,jaredhanson/passport,modulexcite/passport,Faiz7412/passport,pandeysoni/passport,mcanthony/passport,dentrinh/passport,Rosmina/createAccount,shubham13jain/passport,ernestopino/passport,DaAwesomeP/passport,qitianchan/passport,arover/passport,Trult/passport,bevacqua/passport