The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/tools/build.git/+/b81fe953d258db11c6d1ff2a9f0c37c8e0aa904d

commit b81fe953d258db11c6d1ff2a9f0c37c8e0aa904d
Author: Simon <simonhatch@chromium.org>
Date: Fri Jan 20 21:13:34 2017

Bisect - Remove Mac HDD bisect bots.

The perf bots were retired back in Dec, these were lingering behind.

BUG= 683334 

Change-Id: I58a63b2d6fccba00c874c44df61d8ef65f866d86
Reviewed-on: https://chromium-review.googlesource.com/430908
Reviewed-by: David Tu <dtu@chromium.org>
Commit-Queue: David Tu <dtu@chromium.org>

[modify] https://crrev.com/b81fe953d258db11c6d1ff2a9f0c37c8e0aa904d/masters/master.tryserver.chromium.perf/master.cfg
[modify] https://crrev.com/b81fe953d258db11c6d1ff2a9f0c37c8e0aa904d/masters/master.tryserver.chromium.perf/slaves.cfg
[modify] https://crrev.com/b81fe953d258db11c6d1ff2a9f0c37c8e0aa904d/scripts/slave/recipe_modules/chromium_tests/tryserver_chromium_perf.py

Removed from BISECT_BOT_MAP as well, should be gone after next master restart.