Bug 8997: Unnecessary call to getAllLanguages

Bug 8997: Unnecessary call to getAllLanguages

In C4/Language, getTranslatedLanguages calls getAllLanguage, passes it
to _build_languages_arrayref, that does nothing of it. Removing this
dead code will clean & reduce SQL overhead

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>
I tried switching between languages and enabling and disabling
languages, and could not see any change with the patch applied.

Passed-QA-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>