build: remove /MP from default additonal options

PR-URL: https://github.com/nodejs/node/pull/22661


Reviewed-By: João Reis <reis@janeasystems.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>