MarsSeed [1] filed a deletion request for yujmo_libfreenect2 [2]: This fork of libfreenect2 has been abandoned since 2018 [a], and is two years older than upstream. [b]
Package doesn't set its provides and conflicts, so nothing depends on it. Safe to delete. [a]: https://github.com/yujmo/libfreenect2/ [b]: https://github.com/OpenKinect/libfreenect2 [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/yujmo_libfreenect2/
