[PATCH 1 of 3 "] contrib: move the `discovery-helper.sh` script in`perf-utils` directory

[Yuya Nishihara]

On Fri, 08 Mar 2019 00:26:39 +0100, Pierre-Yves David wrote:
> # HG changeset patch
> # User Pierre-Yves David <pierre-yves.david at octobus.net>
> # Date 1551975315 -3600
> #      Thu Mar 07 17:15:15 2019 +0100
> # Node ID 9694c8fa7224192d35ff900c8523027e2b1a5d6b
> # Parent  38de3300414fb7412418ba7e7be62320d30a6524
> # EXP-Topic perf-utils
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r 9694c8fa7224
> contrib: move the `discovery-helper.sh` script in`perf-utils` directory

Queued, thanks.