def rm_special(user, cmd, special=None, identifier=None):
    '''
    Remove a special cron job for a specified user.

    CLI Example:

    .. code-block:: bash

        salt '*' cron.rm_special root /usr/bin/foo
    '''
    lst = list_tab(user)
    ret = 'absent'
    rm_ = None
    for ind in range(len(lst['special'])):
        if rm_ is not None:
            break
        if _cron_matched(lst['special'][ind], cmd, identifier=identifier):
            if special is None:
                # No special param was specified
                rm_ = ind
            else:
                if lst['special'][ind]['spec'] == special:
                    rm_ = ind
    if rm_ is not None:
        lst['special'].pop(rm_)
        ret = 'removed'
    comdat = _write_cron_lines(user, _render_tab(lst))
    if comdat['retcode']:
        # Failed to commit, return the error
        return comdat['stderr']
    return ret
Remove a special cron job for a specified user.

    CLI Example:

    .. code-block:: bash

        salt '*' cron.rm_special root /usr/bin/foo