npmrc: Revert incorrect setting changes from #46161 (#46380)

As far as I can tell, this got accidentally included in the PR when the
normal script errored out due to the minimumReleaseAge setting.

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/20419201583

Upstream-Ref: Automattic/jetpack@f95c9c8

Author: annacmc