Remove deprecated handling of build-option passed as global-option

setuptools/build_meta.py

@@ -284,25 +284,11 @@ def _arbitrary_args(self, config_settings: _ConfigSettings) -> Iterator[str]:
  ['foo']
  >>> list(fn({'--build-option': 'foo bar'}))
  ['foo', 'bar']
- >>> list(fn({'--global-option': 'foo'})) # doctest: +IGNORE_EXCEPTION_DETAIL
- Traceback (most recent call last):
- ValueError: Incompatible .config_settings. ...'foo'...
+ >>> list(fn({'--global-option': 'foo'}))
+ []
  """
- args = self._get_config("--global-option", config_settings)
- global_opts = self._valid_global_options()
- bad_args = []
-
- for arg in args:
- if arg.strip("-") not in global_opts:
- bad_args.append(arg)
- yield arg
-
  yield from self._get_config("--build-option", config_settings)
 
- if bad_args:
- msg = f"Incompatible `config_settings`: {bad_args!r} ({config_settings!r})"
- raise errors.InvalidConfigError(msg)
-
 
 class _BuildMetaBackend(_ConfigSettingsTranslator):
  def _get_build_requires(self, config_settings, requirements):