Countdown is now private static

FightSystem_Main/src/de/steamwar/fightsystem/event/HellsBells.java

@@ -138,7 +138,7 @@ public class HellsBells {
 		}.register();
 	}
 
-	class HellsBellsCountdown extends Countdown {
+	private static class HellsBellsCountdown extends Countdown {
 
 		public HellsBellsCountdown(int time) {
 			super(time, SWSound.BLOCK_NOTE_BASS, true);