remove more references to simple_render_object

include/render_object.h

@@ -11,7 +11,6 @@
 
 
 struct render_objects;
-//struct simple_render_object;
 
 render_objects*
 roInitModel(mesh_group meshes);
@@ -40,11 +39,3 @@ roDraw(render_objects* r_ojbs,
 	shader_wrapper sw,
 	light_group* lights);
 
-#if 0
-void
-roDrawSimple(simple_render_object* ro,
-	camera& cam,
-	simple_shader_program& shader,
-	GLenum draw_mode);
-#endif
-