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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 _sysv_delete(name):
    '''
    Delete the named sysv service from the system. The service will be
    deleted using chkconfig.
    '''
    if not _service_is_chkconfig(name):
        return False
    cmd = '/sbin/chkconfig --del {0}'.format(name)
    return not __salt__['cmd.retcode'](cmd)