grawity [1] filed a deletion request for mod_auth_kerb [2]:
Dead upstream, and superseded by mod_auth_gssapi.
[1] https://aur.archlinux.org/account/grawity/ [2] https://aur.archlinux.org/pkgbase/mod_auth_kerb/
Request #11256 has been accepted by Eschwartz [1].
aur-requests@lists.archlinux.org