This removes inconsistencies with MediaWiki's Names.php's changes in the past 8 months, where it comes to languages codes present in MediaWiki but not in langdb, and inconsistencies in autonyms.
This removes inconsistencies with MediaWiki's Names.php's changes in the past 8 months, where it comes to languages codes present in MediaWiki but not in langdb, and inconsistencies in autonyms.