New review comment by Duncaen on void-packages repository

https://github.com/void-linux/void-packages/pull/33302#discussion_r721741529

Comment:
Any reason to use `sudo su -s` instead of `sudo -u _soju -s` or just `sudo -u sojuctl ...`? Would probably make sense to also disable the shell for the `_soju` user if its not required.