Kewl [1] filed a deletion request for nimbus-beacon-node-git [2]: nimbus-beacon-node and nimbus-beacon-node-bin that I also maintain should address the needs. This devel version that I also built is actually not required and adds confusion.
[1] https://aur.archlinux.org/account/Kewl/ [2] https://aur.archlinux.org/pkgbase/nimbus-beacon-node-git/