[PATCH] grep: hide cryptic revision number by default

[Yuya Nishihara]

On Wed, 11 Jul 2018 00:03:06 +0900, Yuya Nishihara wrote:
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1531230930 -32400
> #      Tue Jul 10 22:55:30 2018 +0900
> # Node ID 24f62ea74586f554c3d7578f00df792e00b55094
> # Parent  9ef10437bb88c27645796b95c6ab78e12c307117
> grep: hide cryptic revision number by default

Please disregard this patch. I'll rework on it to fix python-hglib breakage.