Revert "Fix for RT#127402: Set.hash stringifies its objects"
Revert "Fix for RT#127402: Set.hash stringifies its objects"

This reverts commit 218ce063e943be669b08a7fa8dfa5659e91be223.

Since we don't know how we're going to handle bugfixes in 6.c just yet,
the merging of this patch is a bit premature, I think.  Furthermore we
do have syntactic suger for creating a typed hash: my %e{Any}

tony-o/rakudo,LLFourn/rakudo,samcv/rakudo,nbrown/rakudo,awwaiid/rakudo,MasterDuke17/rakudo,raydiak/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,softmoth/rakudo,tony-o/rakudo,raydiak/rakudo,ab5tract/rakudo,raydiak/rakudo,b2gills/rakudo,labster/rakudo,jonathanstowe/rakudo,usev6/rakudo,zostay/rakudo,Gnouc/rakudo,azawawi/rakudo,nbrown/rakudo,nbrown/rakudo,samcv/rakudo,tbrowder/rakudo,usev6/rakudo,LLFourn/rakudo,tbrowder/rakudo,azawawi/rakudo,tony-o/rakudo,lucasbuchala/rakudo,LLFourn/rakudo,Gnouc/rakudo,Gnouc/rakudo,usev6/rakudo,softmoth/rakudo,raydiak/rakudo,usev6/rakudo,softmoth/rakudo,salortiz/rakudo,softmoth/rakudo,labster/rakudo,softmoth/rakudo,ab5tract/rakudo,Gnouc/rakudo,rakudo/rakudo,sjn/rakudo,salortiz/rakudo,sjn/rakudo,rakudo/rakudo,tbrowder/rakudo,nbrown/rakudo,nbrown/rakudo,labster/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,samcv/rakudo,sjn/rakudo,usev6/rakudo,salortiz/rakudo,lucasbuchala/rakudo,rakudo/rakudo,rakudo/rakudo,Gnouc/rakudo,jonathanstowe/rakudo,labster/rakudo,awwaiid/rakudo,samcv/rakudo,awwaiid/rakudo,azawawi/rakudo,tbrowder/rakudo,jonathanstowe/rakudo,LLFourn/rakudo,LLFourn/rakudo,azawawi/rakudo,azawawi/rakudo,tbrowder/rakudo,salortiz/rakudo,labster/rakudo,tony-o/rakudo,nbrown/rakudo,b2gills/rakudo,awwaiid/rakudo,zostay/rakudo,ab5tract/rakudo,sjn/rakudo,b2gills/rakudo,b2gills/rakudo,awwaiid/rakudo,zostay/rakudo,rakudo/rakudo,salortiz/rakudo,ab5tract/rakudo,jonathanstowe/rakudo,sjn/rakudo,zostay/rakudo,tony-o/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,tony-o/rakudo,lucasbuchala/rakudo,b2gills/rakudo,rakudo/rakudo,salortiz/rakudo,labster/rakudo,samcv/rakudo,ab5tract/rakudo,jonathanstowe/rakudo