lib: further simplify assertions in vm/module

Refs: https://github.com/nodejs/node/pull/30755

PR-URL: https://github.com/nodejs/node/pull/30815


Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>