[Bleeding] Event no longer implements Serializable.

src/main/java/org/bukkit/event/entity/CreeperPowerEvent.java

@@ -9,10 +9,8 @@ import org.bukkit.event.HandlerList;
  * <p />
  * If a Creeper Power event is cancelled, the Creeper will not be powered.
  */
-@SuppressWarnings("serial")
 public class CreeperPowerEvent extends EntityEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
-
     private boolean canceled;
     private final PowerCause cause;
     private Entity bolt;