Don't copy BUILDALLPLAN if the same as BUILDPLAN
Don't copy BUILDALLPLAN if the same as BUILDPLAN

This should save some memory for every class that inherits from Any,
or mixins into a class that don't add any attributes.

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