Updated mediawiki/extensions
Project: mediawiki/extensions/CentralNotice  83ccc83332195d1619b2442831ee15e672d25130

prevent mw.centralnotice.initialize() from running twice

If, due to caching issues, we got old HTML (that ran initialize() from
an inline <script>) together with new JS (which runs it on
$(document).ready), the banner would be displayed twice.

Change-Id: Iaa6def275c4d2f7f02045b13b0c7e84c079635fd