correct 'guix system reconfigure config.scm' files

[Quiliro Ordonez Baca]

I have 3 different config files:
pastebin.com/tmLvPAYG
pastebin.com/jmYHb6us
pastebin.com/aGHcY3Ey
I do not remember which one was good. Please criticize the sintax where
appropriate. Thank you.