rm outdated docs from some languages (#27530) (#29208)

backport #27530 to make pull request lint happy
https://github.com/go-gitea/gitea/actions/runs/7939560756/job/21679856929?pr=29206
since #29106

---------

Co-authored-by: techknowlogick <techknowlogick@gitea.com>

Author: lunny

docs/content/administration.fr-fr.md

@@ -620,7 +620,7 @@ And the following unique queues:
 - `REQUIRE_SIGNIN_VIEW`: **false**: Enable this to force users to log in to view any page or to use API.
 - `ENABLE_NOTIFY_MAIL`: **false**: Enable this to send e-mail to watchers of a repository when
    something happens, like creating issues. Requires `Mailer` to be enabled.
-- `ENABLE_BASIC_AUTHENTICATION`: **true**: Disable this to disallow authenticaton using HTTP
+- `ENABLE_BASIC_AUTHENTICATION`: **true**: Disable this to disallow authentication using HTTP
    BASIC and the user's password. Please note if you disable this you will not be able to access the
    tokens API endpoints using a password. Further, this only disables BASIC authentication using the
    password - not tokens or OAuth Basic.