Remove hack that kept (|)= & co from working.
Remove hack that kept (|)= & co from working.

It's not clear why these <!before ...>s were there; perhaps they were
to work around a historical bug. Removing them causes no new spectest
fails, and makes (|)=, (&)= and so forth work.

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