Revert logging

*Technical changes related to this issue:*
- remove logging (exception :
  plugin loaded: /opt/scalatron-1.0.0.2/bots/ninnybot/ScalatronBot.jar
  error: exception while instantiating control function of plugin 'ninnybot':
    java.lang.NoClassDefFoundError: com/typesafe/scalalogging/slf4j/Logging

*Technical changes NOT related to this issue:*
- clean up within NinnyBotBuild