Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  26c513714854a2fd9a0334baf00eea0a261ed627

(bug 69221) Hide cancel <button>s for no-js

Without the JS to break down the forms, those buttons also submit the form.
Let's just hide them.

Bug: 69221
Change-Id: I63628ae167db9ec2f2e69d324df6e62fd35829ca