Updated mediawiki/extensions
Project: mediawiki/extensions/WikimediaMessages  b42ed92a624ea5457b3390d71bd9d69ec4b992cf

Add more flow terms of use message and remove Flow hook

Related patch: https://gerrit.wikimedia.org/r/#/c/142626/

Change-Id: Iedaf5e6d88ee3fbd50231eb5d090a9feb851d8d5