Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  82ed438d27f29d8e6d1f3da0b253ca4a44fcfb2c

Clean up uploads dashboard code

Remove placeholder code as it seems to have been replaced by a carousel
overlay completely + other small tweaks.

Change-Id: If36a642ca291c3e759fbb3ddbc8641cbda5875a3