Remove a now-unused op; clean up some old code that caused a load of warnings.
Remove a now-unused op; clean up some old code that caused a load of warnings.

dwarring/rakudo,cognominal/rakudo,zhuomingliang/rakudo,rjbs/rakudo,tony-o/deb-rakudodaily,labster/rakudo,raydiak/rakudo,samcv/rakudo,dankogai/rakudo,LLFourn/rakudo,jonathanstowe/rakudo,niner/rakudo,laben/rakudo,rakudo/rakudo,softmoth/rakudo,tony-o/rakudo,rakudo/rakudo,cygx/rakudo,nbrown/rakudo,sergot/rakudo,paultcochrane/rakudo,MasterDuke17/rakudo,softmoth/rakudo,retupmoca/rakudo,skids/rakudo,dankogai/rakudo,jonathanstowe/rakudo,jonathanstowe/rakudo,laben/rakudo,ugexe/rakudo,tony-o/rakudo,ab5tract/rakudo,skids/rakudo,sjn/rakudo,tony-o/deb-rakudodaily,samcv/rakudo,ugexe/rakudo,dankogai/rakudo,salortiz/rakudo,pmurias/rakudo,teodozjan/rakudo,tony-o/rakudo,paultcochrane/rakudo,samcv/rakudo,azawawi/rakudo,cygx/rakudo,jonathanstowe/rakudo,laben/rakudo,pmurias/rakudo,rakudo/rakudo,salortiz/rakudo,cognominal/rakudo,tony-o/rakudo,sergot/rakudo,sjn/rakudo,tbrowder/rakudo,tbrowder/rakudo,softmoth/rakudo,labster/rakudo,niner/rakudo,rjbs/rakudo,ab5tract/rakudo,cygx/rakudo,tbrowder/rakudo,skids/rakudo,awwaiid/rakudo,salortiz/rakudo,azawawi/rakudo,usev6/rakudo,tony-o/rakudo,MasterDuke17/rakudo,labster/rakudo,retupmoca/rakudo,Leont/rakudo,zostay/rakudo,tony-o/deb-rakudodaily,samcv/rakudo,ungrim97/rakudo,raydiak/rakudo,nbrown/rakudo,lucasbuchala/rakudo,azawawi/rakudo,sjn/rakudo,usev6/rakudo,skids/rakudo,cygx/rakudo,zostay/rakudo,zhuomingliang/rakudo,ab5tract/rakudo,labster/rakudo,sjn/rakudo,sjn/rakudo,tbrowder/rakudo,awwaiid/rakudo,usev6/rakudo,Leont/rakudo,ugexe/rakudo,awwaiid/rakudo,MasterDuke17/rakudo,ungrim97/rakudo,salortiz/rakudo,tony-o/deb-rakudodaily,Gnouc/rakudo,teodozjan/rakudo,b2gills/rakudo,tbrowder/rakudo,raydiak/rakudo,lucasbuchala/rakudo,sergot/rakudo,tbrowder/rakudo,zostay/rakudo,b2gills/rakudo,paultcochrane/rakudo,jonathanstowe/rakudo,cognominal/rakudo,labster/rakudo,tony-o/deb-rakudodaily,usev6/rakudo,rakudo/rakudo,rakudo/rakudo,cognominal/rakudo,salortiz/rakudo,Gnouc/rakudo,rjbs/rakudo,MasterDuke17/rakudo,ab5tract/rakudo,LLFourn/rakudo,dwarring/rakudo,awwaiid/rakudo,tony-o/deb-rakudodaily,lucasbuchala/rakudo,sergot/rakudo,zhuomingliang/rakudo,rakudo/rakudo,lucasbuchala/rakudo,tony-o/rakudo,zhuomingliang/rakudo,LLFourn/rakudo,LLFourn/rakudo,pmurias/rakudo,skids/rakudo,Gnouc/rakudo,nbrown/rakudo,cognominal/rakudo,cygx/rakudo,softmoth/rakudo,samcv/rakudo,nunorc/rakudo,lucasbuchala/rakudo,nunorc/rakudo,retupmoca/rakudo,tony-o/deb-rakudodaily,MasterDuke17/rakudo,nbrown/rakudo,ab5tract/rakudo,Gnouc/rakudo,teodozjan/rakudo,nunorc/rakudo,teodozjan/rakudo,Gnouc/rakudo,ungrim97/rakudo,LLFourn/rakudo,Leont/rakudo,niner/rakudo,ungrim97/rakudo,paultcochrane/rakudo,zostay/rakudo,b2gills/rakudo,labster/rakudo,raydiak/rakudo,laben/rakudo,ugexe/rakudo,dankogai/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,ugexe/rakudo,awwaiid/rakudo,salortiz/rakudo,pmurias/rakudo,nunorc/rakudo,azawawi/rakudo,paultcochrane/rakudo,niner/rakudo,usev6/rakudo,azawawi/rakudo,b2gills/rakudo,softmoth/rakudo,nbrown/rakudo,retupmoca/rakudo,dankogai/rakudo,b2gills/rakudo,ungrim97/rakudo,dwarring/rakudo,Leont/rakudo,nbrown/rakudo,dwarring/rakudo