Remove noisy logging of every single thank-you-edit notification
Remove noisy logging of every single thank-you-edit notification

This was good when we were debugging the feature, but
it's working fine now.

Change-Id: I8267cd798625de32d653d836cbb84212909c702f

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo