Remove GYP builders from chromium mac, win waterfalls.

masters/master.chromium.mac/master_ios_cfg.py

 # Copyright 2014 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(config, active_master, c):
   c['schedulers'].extend([
       SingleBranchScheduler(name='ios',
                             branch='master',
                             treeStableTimer=60,
                             builderNames=[
           'ios-device',
-          'ios-device-gn',
           'ios-simulator',
-          'ios-simulator-gn',
       ]),
   ])
   specs = [
     {'name': 'ios-device'},
-    {'name': 'ios-device-gn'},
     {'name': 'ios-simulator'},
-    {'name': 'ios-simulator-gn'},
   ]
 
   c['builders'].extend([
       {
         'name': spec['name'],
         'factory': m_annotator.BaseFactory(
             'ios/unified_builder_tester',
             factory_properties=spec.get('factory_properties')),
         'notify_on_missing': True,
         'category': '3mac',
       } for spec in specs
   ])