util: remove todo

Most people are going to use the existing option and switching the
name now comes with a cost which does not seem to justify the
improvement.

PR-URL: https://github.com/nodejs/node/pull/24982


Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>