libyuv: Remove all GYP builders.

scripts/slave/recipe_modules/libyuv/chromium_config.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 recipe_engine.config import BadConf
 
 import DEPS
 CONFIG_CTX = DEPS['chromium'].CONFIG_CTX
 from recipe_engine.config_types import Path
 
@@ skipping 10 matching lines @@
 def libyuv_clang(c):
   _libyuv_common(c)
 
 @CONFIG_CTX(includes=['ninja', 'gcc', 'goma'])
 def libyuv_gcc(c):
   _libyuv_common(c)
 
 @CONFIG_CTX(includes=['android'])
 def libyuv_android(c):
   if c.TARGET_ARCH == 'intel' and c.TARGET_BITS == 32:
-    c.gyp_env.GYP_DEFINES['android_full_debug'] = 1
     c.gn_args.append('android_full_debug=true')
 
   _libyuv_static_build(c)
 
 @CONFIG_CTX(includes=['android_clang'])
 def libyuv_android_clang(c):
   _libyuv_static_build(c)
 
 @CONFIG_CTX(includes=['chromium', 'static_library'])
 def libyuv_ios(c):
   if c.HOST_PLATFORM != 'mac':
     raise BadConf('Only "mac" host platform is supported for iOS (got: "%s")' %
                   c.HOST_PLATFORM)  # pragma: no cover
   if c.TARGET_PLATFORM != 'ios':
     raise BadConf('Only "ios" target platform is supported (got: "%s")' %
                   c.TARGET_PLATFORM)  # pragma: no cover
   c.build_config_fs = c.BUILD_CONFIG + '-iphoneos'
 
-  gyp_defs = c.gyp_env.GYP_DEFINES
-  gyp_defs['OS'] = c.TARGET_PLATFORM
-  if c.TARGET_BITS == 64:
-    gyp_defs['target_subarch'] = 'arm64'
-
   c.gn_args.append('ios_enable_code_signing=false')
   c.gn_args.append('target_os="%s"' % c.TARGET_PLATFORM)
   _libyuv_common(c)
   _libyuv_static_build(c)
 
 def _libyuv_common(c):
   c.compile_py.default_targets = []
 
 def _libyuv_static_build(c):
   # TODO(kjellander): Investigate moving this into chromium recipe module's
   # static_library config instead.
   if c.BUILD_CONFIG == 'Debug':
     # GN defaults to component builds for Debug, but some build configurations
     # (Android and iOS) needs it to be static.
     c.gn_args.append('is_component_build=false')