Please read the following link before taking any action.
https://wiki.archlinux.org/index.php/User_talk:Lahwaacz#Font_Configuration_-_fontconfig-good-defaults 

On Fri, Sep 18, 2015 at 5:30 AM, <notify@aur.archlinux.org> wrote:
lahwaacz [1] filed a deletion request for fontconfig-good-defaults
[2]:

There are much better ways to share *your* personal configuration.

[1] https://aur.archlinux.org/account/lahwaacz/
[2] https://aur.archlinux.org/pkgbase/fontconfig-good-defaults/