WebRTC: Remove Valgrind based FYI bots.

masters/master.client.webrtc.fyi/master_mac_cfg.py

-# Copyright 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-from buildbot.schedulers.basic import SingleBranchScheduler
-
-from master.factory import annotator_factory
-
-m_annotator = annotator_factory.AnnotatorFactory()
-
-def Update(c):
-  c['schedulers'].extend([
-      SingleBranchScheduler(name='webrtc_mac_scheduler',
-                            branch='trunk',
-                            treeStableTimer=0,
-                            builderNames=[
-          'Mac 10.6 Memcheck',
-          'Mac 10.6 TSan',
-      ]),
-  ])
-
-  specs = [
-    {'name': 'Mac 10.6 Memcheck', 'slavebuilddir': 'mac_memcheck'},
-    {'name': 'Mac 10.6 TSan', 'slavebuilddir': 'mac_tsan'},
-  ]
-
-  c['builders'].extend([
-      {
-        'name': spec['name'],
-        'factory': m_annotator.BaseFactory('webrtc/standalone'),
-        'notify_on_missing': True,
-        'category': 'mac',
-        'slavebuilddir': spec['slavebuilddir'],
-      } for spec in specs
-  ])