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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def remove_interface_router(router, subnet, profile=None):
    '''
    Removes an internal network interface from the specified router

    CLI Example:

    .. code-block:: bash

        salt '*' neutron.remove_interface_router router-name subnet-name

    :param router: ID or name of the router
    :param subnet: ID or name of the subnet
    :param profile: Profile to build on (Optional)
    :return: True(Succeed) or False
    '''
    conn = _auth(profile)
    return conn.remove_interface_router(router, subnet)