Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  533938f8b71b00de479cea7aa1d101adef7b1ea0

UploadWizard: Remove unused function addWarning

This is no longer in use since
I6f2131283d0d1e79a166c5c158eab6b27beca8c7

Change-Id: I38a95e93c9c48c8a3b3648f115d27fa482210689