Dropping backup support in languagechooser? (Was: debian-installer/tools/languagechooser/debian changelog,1.158,1.159)

[Petter Reinholdtsen <pere@hungry.com>]

[Joey Hess]
> @@ -9,10 +9,8 @@
>      - Fix the Brazilian Portuguese translation to smaller one.
>    * Ognyan Kulev
>      - Added 'Bulgarian' as language option.
> -  * Joey Hess
> -    - exit 10 on backup, not 30

Why was this change removed?