Fix crashdetector on unclean shutdown

SpigotCore_Main/src/de/steamwar/core/Core.java

@@ -142,7 +142,6 @@ public class Core extends JavaPlugin{
 	@Override
 	public void onDisable() {
 		TinyProtocol.instance.close();
-		crashDetector.stop();
 		errorHandler.unregister();
 		if(!standalone) {
 			Statement.close();