The Schema:RelatedArticles has been disabled for some time and should be removed
= Acceptance criteria
[] Remove module ext.relatedArticles.readMore.eventLogging
[] Remove the 2 calls to ext.relatedArticles.logReady and ext.relatedArticles.logEnabled
[] Remove wgRelatedArticlesEnabledBucketSize (php config, documentation and JS usage)
= QA steps
Verify that related articles shows on the beta cluster (https://en.m.wikipedia.beta.wmflabs.org/w/index.php?title=Related_Articles_2&mobileaction=toggle_view_mobile)
On https://en.wikivoyage.beta.wmflabs.org/wiki/Tokushima it should show on desktop.
= Sign off steps
[x] Mark https://meta.wikimedia.org/wiki/Schema:RelatedArticles as inactive
[X] Remove any mediawiki-config related information e.g. wgRelatedArticlesEnabledBucketSize
[X] Remove RelatedArticles schema from our dashboard (https://grafana.wikimedia.org/dashboard/db/reading-web-dashboard?orgId=1)