Followup Ifb005e7c: some cleanup in comments.

Followup Ifb005e7c: some cleanup in comments.

There're still various "disable" left there in messages, which are
fixable on translatewiki.net:

MessagesIke_cans.php:'variantname-iu' => 'disable',
MessagesIke_latn.php:'variantname-iu' => 'disable',
MessagesKk.php:'variantname-kk-kz'   => 'disable',
MessagesKk.php:'variantname-kk-tr'   => 'disable',
MessagesKk.php:'variantname-kk-cn'   => 'disable',
MessagesKk.php:'variantname-kk'      => 'disable',
MessagesKu_latn.php:'variantname-ku' => 'disable',
MessagesShi.php:'variantname-shi' => 'disable',

Change-Id: Ic8f874660f3b6f266ab791422cc5ee1749546a00