Remove old home config modules

Julien LepillerFri Jan 14 15:03:36+0100 2022

737d858

system-configuration/modules/services
namelast commitdate
gitile.scmUpdate gitile package and serviceTue Oct 06 14:13:41+0200 2020
mail.scmUpdate dkimproxy-out service to use guix packages and guile config wrapperWed Jul 31 09:49:23+0200 2019