Remove unneeded funcs

dgl/NanoWidget.hpp

@@ -41,16 +41,6 @@ public:
     */
     ~NanoImage();
 
-   /**
-      Get width.
-    */
-    int getWidth() const;
-
-   /**
-      Get height.
-    */
-    int getHeight() const;
-
    /**
       Get size.
     */

dgl/src/NanoWidget.cpp

@@ -103,16 +103,6 @@ NanoImage::~NanoImage()
         nvgDeleteImage(fContext, fImageId);
 }
 
-int NanoImage::getWidth() const
-{
-    return getSize().getWidth();
-}
-
-int NanoImage::getHeight() const
-{
-    return getSize().getHeight();
-}
-
 Size<int> NanoImage::getSize() const
 {
     int w=0, h=0;