disastro [1] filed a deletion request for lightdm-webkit-greeter-bzr [2]: With six years of upstream inactivity, deprecated dependencies, and alternatives existing as https://archlinux.org/packages/community/x86_64/lightdm- webkit2-greeter/ and https://aur.archlinux.org/packages/web-greeter this package should no longer be used or needed.
[1] https://aur.archlinux.org/account/disastro/ [2] https://aur.archlinux.org/pkgbase/lightdm-webkit-greeter-bzr/
