Remove sup files moved to other repos

[cejkato2]

According to the mailing list (the following messages), sup files will be moved from the Nemea-Supervisor repo.

https://random.cesnet.cz/pipermail/nemea/2016-November/000016.html
https://random.cesnet.cz/pipermail/nemea/2016-November/000017.html
https://random.cesnet.cz/pipermail/nemea/2016-November/000018.html