@SBisson and @Arrbee confirmed that the Wikistories instruments could be decommissioned. Doing so would unblock the removal of `mw.eventLog.id`.
=== TODO
[x] Remove the `mediawiki.wikistories_consumption_event` and `mediawiki.wikistories_contribution_event` streams: https://codesearch.wmcloud.org/search/?q=mediawiki.wikistories_&files=&excludeFiles=&repos=operations%2Fmediawiki-config
[x] Remove [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Wikistories/+/d9fd749d2bd6fe93b7f2a7c98a3feafb5a651d29/resources/instrumentation | the instrumentation code ]]
[] Remove [[ https://codesearch.wmcloud.org/analytics/?q=mediawiki.wikistories_&files=&excludeFiles=&repos=analytics%2Frefinery | the event sanitisation allowlist entry ]]
[] Request the deletion of any associated Hive tables