[NUI] Fix TV AmbientMode empty screen (#2538)

Co-authored-by: Jiyun Yang <ji.yang@samsung.com>

diff --git a/src/Tizen.NUI/src/public/Window.cs b/src/Tizen.NUI/src/public/Window.cs
index 34b2961..39d4070 100755 (executable)
--- a/src/Tizen.NUI/src/public/Window.cs
+++ b/src/Tizen.NUI/src/public/Window.cs
@@ -1229,7 +1229,6 @@ namespace Tizen.NUI
         {
             var val = new Uint16Pair(Interop.Window.GetSize(SwigCPtr), true);
             Vector2 ret = new Vector2(val.GetWidth(), val.GetHeight());
-            val.Dispose();
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
@@ -1326,7 +1325,6 @@ namespace Tizen.NUI
         {
             var val = new Uint16Pair(Interop.Window.GetSize(SwigCPtr), true);
             Size2D ret = new Size2D(val.GetWidth(), val.GetHeight());
-            val.Dispose();
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }