Check that each of these tools:
- tools.admins
- tools.books
- tools.bot
- tools.chat
- tools.checklinks
- tools.commons
- tools.connect
- tools.dabfix
- tools.dabsolver
- tools.data
- tools.dbreports
- tools.dispenser
- tools.editcount
- tools.editcounter
- tools.file
- tools.file-dispenser
- tools.files
- tools.foundation
- tools.foundation-projects
- tools.google
- tools.image
- tools.irc
- tools.jabber
- tools.login
- tools.mail
- tools.oauth
- tools.ops
- tools.redirect
- tools.reflinks
- tools.report
- tools.reports
- tools.search
- tools.signin
- tools.supercalifragilisticexpialidocious
- tools.webchat
- tools.wiki
- tools.wikibooks
- tools.wikidashboard
- tools.wikidata
- tools.wikipedia
- tools.wiktionary
- tools.wmf
has no database objects, has no data in the filesystem and then remove them.