Revert "我不理解，这check那check就是出不来"

This reverts commit ba1824d5d6.

Assets/Scripts/Manager/EditorManager.cs

@@ -28,7 +28,6 @@ namespace Ichni
         public BackgroundController backgroundController;
         public GridController gridController;
         public CameraManager cameraManager;
-        public NoteManager noteManager;
         public Ichni.Editor.PostProcessingManager postProcessingManager;
         public Canvas judgeHintCanvas;
         public Canvas inspectorCanvas;
@@ -60,7 +59,7 @@ namespace Ichni
             isLoaded = false;
             projectManager = new ProjectManager();
             operationManager = new OperationManager();
-            noteManager = new NoteManager();
+
             if (!ES3.FileExists(Application.streamingAssetsPath + "/EditorSettings.es3"))
             {
                 editorSettings = new EditorSettings(300, 3, 100, 100, 60);
@@ -121,7 +120,6 @@ namespace Ichni
         private void Update()
         {
             if (isLoaded) projectManager.autoSaveManager.UpdateAutoSave();
-            noteManager.UpdateNote();
         }
 
         public void LoadProject(string projectName)