Summary
Per T420052: Drop extensions from closed wikis where the database tables are unused, we shouldn't have extensions which are not needed on closed wikis. AbuseFilter is one of these extensions which this task focuses on
Acceptance criteria
- AbuseFilter is undeployed from closed wikis where the abuse_filter_log database table is empty
- The database tables for AbuseFilter are dropped once the undeployment is stably deployed