Delete STYLE_CPP_ARC and _STYLE_CPP

Delete STYLE_CPP_ARC and _STYLE_CPP
commit_hash:cf9019ef25cbc6f6ac7571926096006f99af4b13

1 files changed, 0 insertions, 7 deletions

diff --git a/build/plugins/_dart_fields.py b/build/plugins/_dart_fields.py
index 6990007804f..b3519c86e90 100644
--- a/build/plugins/_dart_fields.py
+++ b/build/plugins/_dart_fields.py
@@ -643,13 +643,6 @@ class LintConfigs:
 
     @classmethod
     def cpp_configs(cls, unit, flat_args, spec_args):
-        custom_config = spec_args.get('CUSTOM_CONFIG')
-        if custom_config:
-            # TODO delete CUSTOM_CONFIG, it's used only by arc
-            config = custom_config[0]
-            assert_file_exists(unit, config)
-            return {cls.KEY: serialize_list([config])}
-
         if config := cls._from_config_type(unit, spec_args):
             # specified by config type, autoincludes scheme
             return {cls.KEY: serialize_list([config])}