Documentation: remove outdated references from translations

Outdated link to linux-next wiki was removed by commit
ace80793 ("Documentation: remove
outdated references to the linux-next wiki"). However, the change was
not applied to translations. This commit apply the change to
translations.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>