Remove obsolete methods from Controls (#73)

- [Controls] Remove obsolete methods from Controls (dotnet#1644)

src/Compatibility/Core/src/Tizen/Renderers/CustomFocusManager.cs

@@ -202,9 +202,7 @@ static bool PageIsVisible(Page page)
 			{
 				return false;
 			}
-#pragma warning disable CS0618 // Type or member is obsolete
-			if (parentPage is MasterDetailPage mdPage && mdPage.Master == parent && !mdPage.IsPresented)
-#pragma warning restore CS0618 // Type or member is obsolete
+			if (parentPage is FlyoutPage flyoutPage && flyoutPage.Flyout == parent && !flyoutPage.IsPresented)
 			{
 				return false;
 			}

src/Compatibility/Core/src/Tizen/Renderers/VisualElementRenderer.cs

@@ -789,7 +789,7 @@ protected virtual void AddChild(Element child)
 
 		protected virtual void AddHeadlessChild(VisualElement element, IContainable<EvasObject> parent)
 		{
-			foreach (var child in element.LogicalChildren)
+			foreach (var child in (element as IVisualTreeElement).GetVisualChildren())
 			{
 				if (child is VisualElement visualChild)
 				{

src/Compatibility/Core/src/Tizen/StaticRegistrar.cs

@@ -80,9 +80,6 @@ public static void RegisterHandlers(Dictionary<Type, Func<IRegisterable>> custom
 			Registered.Register(typeof(CarouselPage), () => new CarouselPageRenderer());
 			Registered.Register(typeof(Page), () => new PageRenderer());
 			Registered.Register(typeof(NavigationPage), () => new NavigationPageRenderer());
-#pragma warning disable CS0618 // Type or member is obsolete
-			Registered.Register(typeof(MasterDetailPage), () => new MasterDetailPageRenderer());
-#pragma warning restore CS0618 // Type or member is obsolete
 			Registered.Register(typeof(FlyoutPage), () => new FlyoutPageRenderer());
 			Registered.Register(typeof(TabbedPage), () => new TabbedPageRenderer());
 			Registered.Register(typeof(Label), () => new LabelRenderer());

src/Compatibility/Core/src/Tizen/TizenPlatformServices.cs

@@ -136,8 +136,6 @@ public IIsolatedStorageFile GetUserStoreForApplication()
 
 		public string GetHash(string input) => Crc64.GetHash(input);
 
-		string IPlatformServices.GetMD5Hash(string input) => GetHash(input);
-
 		public void QuitApplication()
 		{
 			Forms.Context.Exit();