Analysis has shown that this system doesn't actually accomplish
anything. Users do not vote on tags often enough to actually get any tag
removed, so why even bother?

Non-critical database change with this commit

These features only have any value if users actually use them, and
experience has shown that nowhere near enough users use them to make
them worthwhile.

This was an automatic mass-replace. Manual replacement of array(...)
will continue

This consists mostly of commits I somehow skipped over and didn't patch
into the public repo