Pontoon: Update Gaelic, Scottish (gd) localization of Firefox Screenshots
Pontoon: Update Gaelic, Scottish (gd) localization of Firefox Screenshots

Localization authors:
- Michael “Akerbeltz” Bauer <fios@akerbeltz.org>

mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot