sample path modify

Assets/VersionFlow/Sample/DEMO.cs

@@ -1,12 +1,9 @@
 using System;
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
-using UnityEngine.U2D;
 using UnityEngine.UI;
 using VersionFlow.Runtime;
 
-public class test : MonoBehaviour, IVersionFlowVisual
+public class DEMO : MonoBehaviour, IVersionFlowVisual
 {
     private void Awake()
     {