[PATCH 5 of 5] revsetlang: remove unused functions

[Augie Fackler]

On Thu, Aug 31, 2017 at 11:42:14PM +0900, Yuya Nishihara wrote:
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1503147843 -32400
> #      Sat Aug 19 22:04:03 2017 +0900
> # Node ID 167fea06d67ff144461c38799ba8cecaaddd0228
> # Parent  67ed9cb475e3b952572b9bc46e2ed56f0474f381
> revsetlang: remove unused functions

queued, thanks