Delete Cronet data reduction proxy support from builder

tools/mb/mb_config.pyl

Index: tools/mb/mb_config.pyl
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index f59f6d4a66aa791e73fe695b3fa3eb5615b53bb6..afeb6307f4ab8f40dd6e845c3b4dc2e6ee1dee5e 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -722,7 +722,7 @@
     ],
 
     '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': [
@@ -738,7 +738,7 @@
     ],
 
     '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': [
@@ -1654,10 +1654,6 @@
       'cros_passthrough': True,
     },
 
-    'data_reduction_proxy': {
-      'gn_args': 'cronet_enable_data_reduction_proxy_support=true',
-    },
-
     'dcheck_always_on': {
       'gn_args': 'dcheck_always_on=true',
     },