Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  9a54e155da9e1fc64676f899e0eb6cccb25cb8fb

Collect license handling code, remove unused data attribute

This just shuffles code around, should not change behavior.

Change-Id: Ieb0102300c8444f18444fae38e5ea813d8f682e5
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/472