Returns a Structure without magnetic moments defined.
        :param make_primitive (bool): Return a primitive
        structure, defaults to True.
        :return: Structure

def get_nonmagnetic_structure(self, make_primitive=True):
        """
        Returns a Structure without magnetic moments defined.
        :param make_primitive (bool): Return a primitive
        structure, defaults to True.
        :return: Structure
        """

        structure = self.structure.copy()
        structure.remove_site_property("magmom")

        if make_primitive:
            structure = structure.get_primitive_structure()

        return structure