Aiccu is a client utility used to connect to the SixXS platform.
As the SixXS platform has been sunset on 2017-06-06[1] and the server parts
of TIC/AYIYA protocol implementations haven't been published, there's no
point to maintain aiccu package anymore.

[1]: https://www.sixxs.net/sunset/

Signed-off-by: Ondřej Caletka <ondrej@caletka.cz>