sudoforge [1] filed a request to merge otf-san-francisco-pro [2] into otf-san-francisco [3]:

These two PKGBUILDs are functionally identical. There is no reason for the duplicate packages.

[1] https://aur.archlinux.org/account/sudoforge/ [2] https://aur.archlinux.org/pkgbase/otf-san-francisco-pro/ [3] https://aur.archlinux.org/pkgbase/otf-san-francisco/