Remove attempt to import top-level configparser

Author: edschofield

src/future/standard_library/__init__.py

@@ -787,7 +787,6 @@ def __exit__(self, *args):
             sys.modules[m] = self.old_sys_modules[m]
 
 TOP_LEVEL_MODULES = ['builtins',
-                     'configparser',
                      'copyreg',
                      'html',
                      'http',