bug#55361: [Installer] Extra unprivileged “root” account added

[Ludovic Courtès]

The installer built from:

--8<---------------cut here---------------start------------->8---
Generation 214  May 02 2022 21:44:14    (current)
  guix 6b588da
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 6b588da368c77cde82ea2f22ca315116228777ad
--8<---------------cut here---------------end--------------->8---

… adds an unprivileged “root” account to the ‘users’ section of the OS
config.

Ludo’.