Following up on the "meta" title page change.

Closes: #14519

This reverts commit f3155c75.

This reverts commit fcb7ee34.

Apparently we can't really remove posts from the internet.

This reverts commit 6cd77bb7.

This reverts commit 888b33ad, reversing
changes made to 72321e5c.

Tails 3.3 is not really reproducible, see #14933

Merge remote-tracking branch 'origin/master' into doc/14519-help-desk-foundations-team-and-tech-writers-mission

Merge branch 'feature/12356+reproducible_blog_post' of webmasters.boum.org:wiki into feature/12356+reproducible_blog_post

"donate.en.html" only works with "usedirs: 0", e.g. on the static website
included in our ISO. But our production website has "usedirs: 1" (which is
needed for language negotiation).