Streamline .unique
Streamline .unique

20% faster for all unique values, 30% faster for all identical values.

- remove unnecessary no-sink's
- use nqp::eqaddr instead of =:=
- more generally, use nqp::ops

MasterDuke17/rakudo,jonathanstowe/rakudo,jonathanstowe/rakudo,nbrown/rakudo,b2gills/rakudo,MasterDuke17/rakudo,softmoth/rakudo,nbrown/rakudo,tbrowder/rakudo,zostay/rakudo,softmoth/rakudo,tbrowder/rakudo,samcv/rakudo,tbrowder/rakudo,awwaiid/rakudo,tony-o/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,zostay/rakudo,labster/rakudo,awwaiid/rakudo,salortiz/rakudo,salortiz/rakudo,jonathanstowe/rakudo,lucasbuchala/rakudo,rakudo/rakudo,samcv/rakudo,rakudo/rakudo,labster/rakudo,rakudo/rakudo,samcv/rakudo,zostay/rakudo,usev6/rakudo,usev6/rakudo,MasterDuke17/rakudo,softmoth/rakudo,nbrown/rakudo,nbrown/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,softmoth/rakudo,raydiak/rakudo,samcv/rakudo,b2gills/rakudo,sjn/rakudo,tony-o/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,salortiz/rakudo,b2gills/rakudo,rakudo/rakudo,jonathanstowe/rakudo,salortiz/rakudo,nbrown/rakudo,lucasbuchala/rakudo,usev6/rakudo,sjn/rakudo,usev6/rakudo,labster/rakudo,raydiak/rakudo,sjn/rakudo,Gnouc/rakudo,jonathanstowe/rakudo,raydiak/rakudo,rakudo/rakudo,tbrowder/rakudo,nbrown/rakudo,sjn/rakudo,lucasbuchala/rakudo,salortiz/rakudo,raydiak/rakudo,samcv/rakudo,tony-o/rakudo,Gnouc/rakudo,usev6/rakudo,softmoth/rakudo,b2gills/rakudo,awwaiid/rakudo,tony-o/rakudo,tony-o/rakudo,b2gills/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,salortiz/rakudo,labster/rakudo,awwaiid/rakudo,awwaiid/rakudo,labster/rakudo,Gnouc/rakudo,tony-o/rakudo,Gnouc/rakudo,rakudo/rakudo,lucasbuchala/rakudo,labster/rakudo,sjn/rakudo,zostay/rakudo