removed Carson

src/main/java/net/Indyuce/mmocore/api/player/stats/PlayerStats.java

@@ -50,7 +50,7 @@ public class PlayerStats {
 	 * used to update MMOCore stat modifiers due to class and send them over to
 	 * MMOLib. must be ran everytime the player levels up or changes class.
 	 */
-	public void updateStats() {
+	public synchronized void updateStats() {
 		getMap().getInstances().forEach(ins -> ins.removeIf(key -> key.equals("mmocoreClass")));
 
 		for (StatType stat : StatType.values()) {