stop adding two readers TblXsec TblNevt by default in AlphaTwirl
stop adding two readers TblXsec TblNevt by default in AlphaTwirl

alphatwirl/alphatwirl,TaiSakuma/AlphaTwirl,alphatwirl/alphatwirl,alphatwirl/alphatwirl,TaiSakuma/AlphaTwirl,alphatwirl/alphatwirl