Trilby  filed a deletion request for system-san-francisco-font-git :
No license is specified as the fonts that this PKGBUILD downloads cannot be legally redistributed.
 https://aur.archlinux.org/account/Trilby/  https://aur.archlinux.org/pkgbase/system-san-francisco-font-git/
Request #7117 has been rejected by Barthalion :
This is matter of Apple and GitHub to issue DMCA and take down the repo. PKGBUILD alone doesn't distribute anything.