Remove GYP builders from chromium mac, win waterfalls.

masters/master.tryserver.chromium.mac/slaves.cfg

Index: masters/master.tryserver.chromium.mac/slaves.cfg
diff --git a/masters/master.tryserver.chromium.mac/slaves.cfg b/masters/master.tryserver.chromium.mac/slaves.cfg
index 38845457eb83900491b72cc7266f08f5f29bbf52..83ae2f5b5f0f39b65f666ed7a49ebc9b0d9cf8fb 100644
--- a/masters/master.tryserver.chromium.mac/slaves.cfg
+++ b/masters/master.tryserver.chromium.mac/slaves.cfg
@@ -14,14 +14,12 @@ def mac():
                                range(969, 987)) + range(783, 788)])
   cq_builders = [
       'mac_chromium_compile_dbg_ng',
-      'mac_chromium_gyp_rel',
       'mac_chromium_rel_ng',
   ]
 
   optional0_slaves = ['vm%d-m4' % i for i in [713, 645, 646, 647, 648]]
   optional0_builders = [
       'mac_chromium_dbg_ng',
-      'mac_chromium_gyp_dbg',
       'mac_chromium_gn_upload',
       'mac_upload_clang',
       'mac_optional_gpu_tests_rel',
@@ -174,11 +172,9 @@ def ios():
   # Split by simulator/device because it splits the load evenly.
   cq_builders_dbg = [
     'ios-simulator',
-    'ios-simulator-gn',
   ]
   cq_builders_rel = [
     'ios-device',
-    'ios-device-gn',
   ]
 
   # 12 + 1 builders for dbg