Widgets Fixes (#190)

* CheckboxWidget: Check

* ImageWidget: Check

* LabelWidget: Delete uselessly overridden Layout

* ProgressBarWidget: Check

SDK/include/NDK/Widgets/ImageWidget.hpp

@@ -26,8 +26,6 @@ namespace Ndk
 
 			//virtual ImageWidget* Clone() const = 0;
 
-			void ResizeToContent();
-
 			inline const Nz::Color& GetColor() const;
 			inline const Nz::TextureRef& GetTexture() const;
 			inline const Nz::Rectf& GetTextureCoords() const;

SDK/include/NDK/Widgets/LabelWidget.hpp

@@ -32,8 +32,6 @@ namespace Ndk
 			LabelWidget& operator=(LabelWidget&&) = default;
 
 		private:
-			void Layout() override;
-
 			EntityHandle m_textEntity;
 			Nz::TextSpriteRef m_textSprite;
 	};