[Bleeding] Event no longer implements Serializable.

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

@@ -8,7 +8,6 @@ import org.bukkit.event.HandlerList;
 /**
  * Called when an entity has made a decision to explode.
  */
-@SuppressWarnings("serial")
 public class ExplosionPrimeEvent extends EntityEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancel;