fs: throw rm() validation errors

This commit updates validateRmOptions() to throw on input
validation failures. This is consistent with how Node handles
validation in most places across the codebase.

PR-URL: https://github.com/nodejs/node/pull/35602


Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>