[js] Cleanup more things in js-clean
[js] Cleanup more things in js-clean

salortiz/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,labster/rakudo,nbrown/rakudo,salortiz/rakudo,softmoth/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,rakudo/rakudo,labster/rakudo,rakudo/rakudo,rakudo/rakudo,tbrowder/rakudo,nbrown/rakudo,tbrowder/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,salortiz/rakudo,tbrowder/rakudo,tbrowder/rakudo,labster/rakudo,salortiz/rakudo,Gnouc/rakudo,tony-o/rakudo,labster/rakudo,Gnouc/rakudo,softmoth/rakudo,nbrown/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,salortiz/rakudo,labster/rakudo,MasterDuke17/rakudo,softmoth/rakudo,tony-o/rakudo,softmoth/rakudo,tony-o/rakudo,nbrown/rakudo,nbrown/rakudo,rakudo/rakudo,tony-o/rakudo,Gnouc/rakudo,salortiz/rakudo,MasterDuke17/rakudo,rakudo/rakudo,labster/rakudo,rakudo/rakudo,tony-o/rakudo,Gnouc/rakudo,tony-o/rakudo,nbrown/rakudo,softmoth/rakudo