async_hooks: remove async_wrap from async_hooks.js

This commit removes the builtin async_wrap module from
lib/async_hooks.js.

The motivation for this is that lib/async_hooks.js requires
lib/internal/async_hooks which also binds async_wrap. Instead of
lib/async_hooks.js also binding async_wrap it now only has to require
the internal async_hooks and access it's exports.

There might be a very good reason for doing it the current way but the
reason is not obvious to me. Hopefully someone can shed some light on
this.

PR-URL: https://github.com/nodejs/node/pull/19368


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>