Cleanup of rendering code for images, there's functions not needed anymore

Signed-off-by: Alexis Maiquez <almamu@almamu.com>

src/WallpaperEngine/Render/Objects/CImage.cpp

@@ -293,24 +293,6 @@ void CImage::pinpongFramebuffer (CFBO** drawTo, ITexture** asInput)
     this->m_currentSubFBO = currentMainFBO;
 }
 
-void CImage::simpleRender ()
-{
-    ITexture* input = this->getTexture ();
-
-    // a simple material renders directly to the screen
-    auto cur = this->m_material->getPasses ().begin ();
-    auto end = this->m_material->getPasses ().end ();
-
-    glColorMask (true, true, true, false);
-
-    for (; cur != end; cur ++)
-        (*cur)->render (this->getScene ()->getFBO (), input, *this->getSceneSpacePosition (), *this->getTexCoordPass (), this->m_modelViewProjectionScreen);
-}
-
-void CImage::complexRender ()
-{
-}
-
 void CImage::render ()
 {
     // do not try to render something that did not initialize successfully

src/WallpaperEngine/Render/Objects/CImage.h

@@ -59,9 +59,6 @@ namespace WallpaperEngine::Render::Objects
 
     protected:
         static const std::string Type;
-
-        void simpleRender ();
-        void complexRender ();
     private:
         ITexture* m_texture;
         GLuint m_sceneSpacePosition;