Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  734be056d946c208537b37327253aa56b1defca7

Regression: show uploads tutorial for users with no uploads

We missed that after adding infinite scroll. Also, remove the code for
hiding the uploads count, this is done in PHP now.

Change-Id: I60a09354052613312fc88eeafd1c097177ed3ac9