Thread:Support/About MediaWiki:1movedto2/hi

This message, along with Mediawiki:1movedto2_redir/en appears translated here. They haven't been edited since 2010 and 2008 respectively. But on w:hi:विशेष:सभी_सन्देश, both still appear as being untranslated. So I can't delete the local messages there. Is this a known bug? Also, are these message still in use?