Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  1bb1e9ff730c0b4b42250852878153e5014b9b83

Remove Echo preference change eventlogging

Echo preference change is already captured in the general
preference change eventlogging, this is just a duplicate

Change-Id: I49cd2ad5776a670e2cd28414e156f5201087ded0