<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def remove_xattr(self, path, xattr_name, **kwargs):
 """Remove an xattr of a file or directory."""

        kwargs['xattr.name'] = xattr_name
        response = self._put(path, 'REMOVEXATTR', **kwargs)
        assert not response.content