The Beta-Cluster-Infrastructure database update fails with:
Error 1091: Can't DROP INDEX `afl_filter_timestamp`; check that it exists
https://integration.wikimedia.org/ci/job/beta-update-databases-eqiad/
Due to:
Remove afl_filter entirely
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/488482
Make mysql/patch-remove-afl_filter.sql valid SQL
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/723662