Removed unused property

src/Windows/Perspex.Win32/Embedding/EmbeddedWindowImpl.cs

@@ -10,8 +10,6 @@ namespace Perspex.Win32
     {
         private static readonly System.Windows.Forms.UserControl WinFormsControl = new System.Windows.Forms.UserControl();
 
-        public IntPtr Handle { get; private set; }
-
         protected override IntPtr CreateWindowOverride(ushort atom)
         {
             var hWnd = UnmanagedMethods.CreateWindowEx(
@@ -27,7 +25,6 @@ namespace Perspex.Win32
                 IntPtr.Zero,
                 IntPtr.Zero,
                 IntPtr.Zero);
-            Handle = hWnd;
             return hWnd;
         }
     }