Permanent redirect was explained as a temporary redirect.
(cherry picked from commit 5c72badd06)
Co-authored-by: Florian Wendelborn <1133858+FlorianWendelborn@users.noreply.github.com>
This commit also removes a couple of non-standard status codes. They were
added as part of edf669b13482, so there is no backwards compatibility issue.
Patch by Demian Brecht.