Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  799e663c0b7cc84dd51641a57cecbb07fa93fae9

Remove multilightbox directory from JSDuck config

Merging multilightbox into mmv apparently broke our JSDuck script
(not quite sure why it did not give an error at that time), fixing.

Change-Id: Ib83008d1aea33974c93fbfb7473b2f17ab688050