Many of these settings are not necessary to change since they're the
default anyway, and by using the defaults, important settings should be
automatically applied over time.
Made dependency lists a bit more consistent and reverted some of the
Arch Linux wording since it felt a bit off. Even the official website
refers to Arch Linux as Arch from time to time.
Note that systemd usage information needs to be revised since systemd
user units appear to be enabled by default, and may be started by
default when placed in the default.target.wants directory.
