Bug 1018111 - [Flame][v1.4][MMS] Edit text messages, add video no size limit tips

you don't need to specify the args here; as you see in https://github.com/mozilla-b2g/gaia/blob/82926b52885b1a29da893764c2cc03f938a3b0cd/shared/js/l10n.js#L1753 l10n.js already takes care of undefined args :)