Updated mediawiki/extensions
Project: mediawiki/extensions/GettingStarted  e91b7a46dca1935dab1a71a7575dd8d6d83ad011

Remove openTask cookie on logout

Also, remove setPageTask method, since we no longer need a server-side
method to assign tasks.

Bug: 54992
Change-Id: I00f25c191d7eafe0c7c78d35c42bbb62f250f33f