We should probably include an uninstaller, but for now it's manual. It should look something like:
/etc/init.d/centovacast stop
rm -f /etc/cron.d/centovacast /etc/init.d/centovacast /etc/centovacast.conf
rm -rf /usr/local/centovacast
userdel centovacast
userdel ccuser
And I believe that's it.