Revert "Initialize $*SCHEDULER only when needed"
Revert "Initialize $*SCHEDULER only when needed"

This reverts commit 888a1b2ad8fa484eae77ed0fbe9b81523030fb8a.

Feels like this also introduced a race condition somehow, so reverting
for now.

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