Remove unused vows test.
Remove unused vows test.

rhgksrua/passport-local,jaredhanson/passport-local,eiriklv/passport-email-verification,shikhardb/passport-local,nwinkler/passport-local,sainreddygh/passport-local,curtislacy/multi-passport,terebentina/passport-local,ivanml/passport-local,fscherwi/passport-local