Delete Cronet data reduction proxy support from builder

tools/mb/mb_config.pyl

 # Copyright 2015 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.
 
 # This is a .pyl, or "Python Literal", file. You can treat it just like a
 # .json file, with the following exceptions:
 # * all keys must be quoted (use single quotes, please);
 # * comments are allowed, using '#' syntax; and
 # * trailing commas are allowed.
 
@@ skipping 704 matching lines @@
     'android_clang_tot_release_arm64': [
       'android_without_codecs', 'clang_tot', 'release', 'arm64',
     ],
 
     'android_clang_tot_x64': [
       'android_without_codecs', 'clang_tot', 'shared', 'x64', 'release',
       'dcheck_always_on',
     ],
 
     'android_cronet_data_reduction_proxy_release_bot_minimal_symbols_arm_no_neon': [
-      'android', 'cronet', 'data_reduction_proxy', 'release_bot', 'minimal_symbols', 'arm_no_neon',
+      'android', 'cronet', 'release_bot', 'minimal_symbols', 'arm_no_neon',
     ],
 
     'android_cronet_debug_static_bot_arm64': [
       'android', 'cronet', 'debug_static_bot', 'arm64',
     ],
 
     'android_cronet_debug_static_bot_arm_no_neon': [
       'android', 'cronet', 'debug_static_bot', 'arm_no_neon',
     ],
 
     'android_cronet_debug_static_bot_x86': [
       'android', 'cronet', 'debug_static_bot', 'x86',
     ],
 
     'android_cronet_data_reduction_proxy_release_bot_minimal_symbols_arm_no_neon': [
-      'android', 'cronet', 'data_reduction_proxy', 'release_bot', 'minimal_symbols', 'arm_no_neon',
+      'android', 'cronet', 'release_bot', 'minimal_symbols', 'arm_no_neon',
     ],
 
     'android_cronet_debug_static_bot_arm64': [
       'android', 'cronet', 'debug_static_bot', 'arm64',
     ],
 
     'android_cronet_debug_static_bot_arm_no_neon': [
       'android', 'cronet', 'debug_static_bot', 'arm_no_neon',
     ],
 
@@ skipping 895 matching lines @@
       # This is used so that the cros chrome_sdk (simplechrome) builders
       # can manage the list of GN args in their .ebuild
       # files and just pass through the desired arguments, hence not
       # really using MB. If a bot uses this mixin, we expect that
       # both GYP_DEFINES and GN_ARGS are set in the environment,
       # and that GYP_DEFINES has chromeos=1 and GN_ARGS has
       # target_os="chromeos" in it.
       'cros_passthrough': True,
     },
 
-    'data_reduction_proxy': {
-      'gn_args': 'cronet_enable_data_reduction_proxy_support=true',
-    },
-
     'dcheck_always_on': {
       'gn_args': 'dcheck_always_on=true',
     },
 
     'debug': {
       'gn_args': 'is_debug=true',
     },
 
     'debug_bot': {
       'mixins': ['debug', 'shared', 'goma'],
@@ skipping 261 matching lines @@
 
     'x64': {
       'gn_args': 'target_cpu="x64"',
     },
 
     'x86': {
       'gn_args': 'target_cpu="x86"',
     },
   },
 }