MarsSeed [1] filed a deletion request for ghost.py [2]: Discontinued in 2015; it was a WebKit-based Python webclient. (WebKit itself is deprecated and has been superseded by newer projects/forks.) Safe to delete this obsolete package; nothing depends on it.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ghost.py/
