MarsSeed [1] filed a deletion request for cython-kivy [2]: Abandoned package, old copy of [community] cython from 2016.
Not needed as [community] python-kivy is already build using cython. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/cython-kivy/
