more fix

dotnet/AipsRT/Model/Whiteboard/Whiteboard.cs

@@ -6,12 +6,9 @@ namespace AipsRT.Model.Whiteboard;
 public class Whiteboard
 {
     public Guid WhiteboardId { get; set; }
-    
+
     public Guid OwnerId { get; set; }
-    
-    public HashSet<Guid> AcceptedUsers { get; } = new();
-    public HashSet<Guid> PendingUsers { get; } = new();
-    
+
     public List<User> Users { get; } = [];
 
     public List<Shape> Shapes { get; } = [];
@@ -26,36 +23,24 @@ public class Whiteboard
         Shapes.Add(shape);
         Rectangles.Add(shape);
     }
-    
+
     public void AddArrow(Arrow shape)
     {
         Shapes.Add(shape);
         Arrows.Add(shape);
     }
-    
+
     public void AddLine(Line shape)
     {
         Shapes.Add(shape);
         Lines.Add(shape);
     }
-    
+
     public void AddTextShape(TextShape shape)
     {
         Shapes.Add(shape);
         TextShapes.Add(shape);
     }
-    
+
     public void AddUser(User user) => Users.Add(user);
-    
-    public void AddPendingUser(Guid userId) => PendingUsers.Add(userId);
-
-    public void AcceptUser(Guid userId)
-    {
-        PendingUsers.Remove(userId);
-        AcceptedUsers.Add(userId);
-    }
-
-    public void RejectUser(Guid userId) => PendingUsers.Remove(userId);
-
-    public bool IsAccepted(Guid userId) => AcceptedUsers.Contains(userId);
 }