Pontoon: Update Swedish (sv-SE) localization of Mozilla Learning Network
Pontoon: Update Swedish (sv-SE) localization of Mozilla Learning Network

Localization authors:
- Luna Jernberg <bittin@cafe8bitar.se>

mozilla/teach.webmaker.org,mozilla/teach.mozilla.org,mozilla/teach.mozilla.org,mozilla/learning.mozilla.org,mozilla/teach.webmaker.org