This change reverts c4918efc1b, and basically negates what was done for #3396,
but aligns better with current practices in the nodejs ecosystem.
Pragmatically speaking, this will allow users, if they want, to use
npm-force-resolutions (https://github.com/rogeriochaves/npm-force-resolutions)
to manually fix security vulnerabilities.
We had a problem for that (see #3598), and - given the fragmented nature of
the nodejs ecosystem - it is reasonable to expect more issues like that one,
so it's better to be prepared.
Closes#3659.
