The schema was marked as "Deprecate" on [[ https://docs.google.com/spreadsheets/d/1WXbGPyuu2S6TYvrb-DvWWmrEx_K7TJ5rYPkjhvgWjoI/edit | the EventLogging Schema Audit spreadsheet ]] in September, 2021. Other than the associated instrument, there are no references to it that I can find via Codesearch:
* https://codesearch.wmcloud.org/search/?q=8860941
** 8860941 here is the value of the `$revId` parameter passed to `EventLogging::logEvent()` by [[ https://gerrit.wikimedia.org/g/mediawiki/extensions/WikimediaEvents/+/6603c78e3c54102d79ce1e1d8dcb351f8099700e/includes/WikimediaEventsHooks.php#261 | the EditConflict instrument ]]
* https://codesearch.wmcloud.org/search/?q=EditConflict_
* https://codesearch.wmcloud.org/analytics/?q=EditConflict
=== TODO
[] Remove [[ https://gerrit.wikimedia.org/g/mediawiki/extensions/WikimediaEvents/+/deff7e60ef6ca58060d23e60a60f70d7001c98c8/includes/WikimediaEventsHooks.php#261 | the instrument code ]]
[] Mark [[ https://meta.wikimedia.org/wiki/Schema_talk:EditConflict | the schema ]] as inactive
[x] Remove the event sanitisation allowlist entry
** There isn't one
[x] Request the deletion of any previously allowlisted data if it's necessary
** It's not necessary