Remove regular expression option from oclvanitygen.
Remove regular expression option from oclvanitygen.

Stoner19/NEOS-vanitygen,enlighter/vanitygen,bespike/vanitygen,Cremator/vanitygen,WyseNynja/vanitygen,Gamecredits-Universe/vanitygen-gamecredits,kangaderoo/vanitygen,samr7/vanitygen,kangaderoo/vanitygen,sobakasu/vanitygen,Cremator/vanitygen,clovermebitcoin/test,shinohai/vanitygen,clovermebitcoin/test,colindean/vanitygen,fantomgs/vanitygen,kangaderoo/vanitygen,sobakasu/vanitygen,bither/vanitygen,inuitwallet/vanitygen,isghe/vanitygen,dooglus/vanitygen,WyseNynja/vanitygen,Instigo/vanitygen,dooglus/vanitygen,sobakasu/vanitygen,enlighter/vanitygen