Deletes a minion's entry from the cloud cachedir. It will search through
    all cachedirs to find the minion's cache file.
    Needs `update_cachedir` set to True.

def delete_minion_cachedir(minion_id, provider, opts, base=None):
    '''
    Deletes a minion's entry from the cloud cachedir. It will search through
    all cachedirs to find the minion's cache file.
    Needs `update_cachedir` set to True.
    '''
    if isinstance(opts, dict):
        __opts__.update(opts)

    if __opts__.get('update_cachedir', False) is False:
        return

    if base is None:
        base = __opts__['cachedir']

    driver = next(six.iterkeys(__opts__['providers'][provider]))
    fname = '{0}.p'.format(minion_id)
    for cachedir in 'requested', 'active':
        path = os.path.join(base, cachedir, driver, provider, fname)
        log.debug('path: %s', path)
        if os.path.exists(path):
            os.remove(path)