Removes response properties if exist.

def remove_response_property(xml_root):
    """Removes response properties if exist."""
    if xml_root.tag == "testsuites":
        properties = xml_root.find("properties")
        resp_properties = []
        for prop in properties:
            prop_name = prop.get("name", "")
            if "polarion-response-" in prop_name:
                resp_properties.append(prop)
        for resp_property in resp_properties:
            properties.remove(resp_property)
    elif xml_root.tag in ("testcases", "requirements"):
        resp_properties = xml_root.find("response-properties")
        if resp_properties is not None:
            xml_root.remove(resp_properties)
    else:
        raise Dump2PolarionException(_NOT_EXPECTED_FORMAT_MSG)