sapient [1] filed a deletion request for ddate-git [2]: Just add
validpgpkeys=('CB33B736591A9CA06098A9A5FCAC9CF5A6EE1209')
to the PKGBUILD and theres no need to mess with manually trusting
them.
[1] https://aur.archlinux.org/account/sapient/
[2] https://aur.archlinux.org/pkgbase/ddate-git/
