[PATCH 2 of 4 V3] revset: disable compat with legacy compat for internal revsets API (API)

[Yuya Nishihara]

On Fri, 13 Apr 2018 23:42:19 +0530, Pulkit Goyal wrote:
> On Fri, Apr 13, 2018 at 6:33 PM, Yuya Nishihara <yuya at tcha.org> wrote:
> 
> > > It is (was?) used at least by the directaccess extension.
> >
> > Pulkit, do we still need the posttreebuildhook? I think the only user was
> > the directaccess, and it's in core.
> >
> 
> ​Nope, we don't need that as far as directaccess is concerned.​

Thanks. Let's remove it then.