Revert "util: use blue on non-windows systems for number/bigint"

This reverts commit 1708af36.

Numbers are much more difficult to read in blue and it would be good
to have a consistent output throughout all OS.

PR-URL: https://github.com/nodejs/node/pull/19256
Refs: https://github.com/nodejs/node/pull/18925


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>