Remove GYP builders from chromium mac, win waterfalls.

tests/masters_recipes_test.py

 #!/usr/bin/env python
 # 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.
 
 import argparse
 import json
 import os
 import subprocess
 import sys
@@ skipping 36 matching lines @@
         'GPU Linux Builder (dbg)',
         'GPU Mac Builder (dbg)',
         'GPU Win Builder (dbg)',
         'Linux Debug (NVIDIA)',
         'Mac 10.10 Debug (Intel)',
         'Mac 10.10 Retina Debug (AMD)',
         'Win7 Debug (NVIDIA)',
     ],
     'master.chromium.mac': [
         'ios-device',
-        'ios-device-gn',
         'ios-simulator',
-        'ios-simulator-gn',
         'Mac10.11 Tests',
     ],
     'master.chromium.memory': [
         'Linux ASan Tests (sandboxed)',
     ],
     'master.chromium.win': [
         'Win7 (32) Tests',
         'Win x64 Builder (dbg)',
     ],
 }
@@ skipping 160 matching lines @@
     exit_code = 1
     print 'Unused suppressions:'
     print '\n'.join(sorted(
         '\t%s:%s' % (b[0], b[1]) for b in unused_suppressions))
 
   return exit_code
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))