Re: WIP patch for system-catalog vacuuming via a relation map

> Barring objections I'm going to press ahead with completing and
> committing this; then in a separate patch remove VACUUM FULL INPLACE.

Was it our determination that we could remove VFI if we eliminated the
system catalogs?  I'm fine with it, I just thought some people had a
marginal use case for VFI.

--Josh Berkus