module: disable conditional exports, self resolve warnings

PR-URL: https://github.com/nodejs/node/pull/31845


Reviewed-By: Jan Krems <jan.krems@gmail.com>
Reviewed-By: Geoffrey Booth <webmaster@geoffreybooth.com>

Backport-PR-URL: https://github.com/nodejs/node/pull/32959


Reviewed-By: Michaël Zasso <targos@protonmail.com>