make: remove targets for building packages for ubuntu wily (end of life)
Ubuntu 15.10 (Wily Werewolf) came out on October 22, 2015 and reached end of
life on July 28, 2016 [1]. Users were encouraged to upgrade to 16.04 (Xenial).
PPA doesn't allow new uploads targeting 15.10 anymore.
[1]: https://wiki.ubuntu.com/Releases
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)