Re: pgsql: Remove unused wait events.

Robert Haas <robertmhaas@gmail.com> writes:
> ... But while I agree it's good to remove unused stuff in the
> master, it doesn't seem like we really need to back-patch it.

Yeah, exactly.  I don't see any benefit that's commensurate with
even a small risk of breaking extensions --- and apparently, in
this case that's not a risk but a certainty.

            regards, tom lane