Fixing adaptive incremental build.

Moved more functions into engine.cpp

JulietApp/main.h

@@ -27,8 +27,6 @@ class JulietApplication : public Juliet::IApplication
     Juliet::GraphicsDevice* GetGraphicsDevice() override { return GraphicsDevice; }
 
     // Render Lifecycle
-    void OnPreRender(Juliet::CommandList* cmd) override;
-    void OnRender(Juliet::RenderPass* pass, Juliet::CommandList* cmd, const Juliet::Camera& camera) override;
     Juliet::ColorTargetInfo         GetColorTargetInfo(Juliet::Texture* swapchainTexture) override;
     Juliet::DepthStencilTargetInfo* GetDepthTargetInfo() override;