Revert "n-api: detect deadlocks in thread-safe function"

This reverts commit d26ca06c because
it breaks running the tests in debug mode, as
`v8::Isolate::GetCurrent()` is not allowed if no `Isolate` is active
on the current thread.

Refs: https://github.com/nodejs/node/pull/33276
Refs: https://github.com/nodejs/node/pull/32860

PR-URL: https://github.com/nodejs/node/pull/33453


Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Gabriel Schulhof <gabriel.schulhof@intel.com>