src: allow non-Node.js TracingControllers

We do not need a Node.js-provided `v8::TracingController`, generally.
Loosen that restriction in order to make it easier for embedders
to provide their own subclass of `v8::TracingController`,
or none at all.

Refs: https://github.com/electron/electron/commit/9c36576dddfaecde1298ff3e089d21a6e54fe67f

PR-URL: https://github.com/nodejs/node/pull/30467


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>