domain: remove native domain code

With the async_hooks callback trampoline, domains no longer need any
native code. With this, domains can exist in pure JavaScript.

PR-URL: https://github.com/nodejs/node/pull/33801


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Vladimir de Turckheim <vlad2t@hotmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>