remove binding context from header viewcell

src/App/Pages/Vault/GroupingsPage/GroupingsPage.xaml.cs

@@ -245,13 +245,5 @@ namespace Bit.App.Pages
                 await Navigation.PushModalAsync(new NavigationPage(page));
             }
         }
-
-        private void HeaderBindingContextChanged(object sender, EventArgs e)
-        {
-            if(Device.RuntimePlatform == Device.iOS && sender is ViewCell cell)
-            {
-                // cell.Height = 50;
-            }
-        }
     }
 }