General code cleanup

include/openspace/scenegraph/scenegraph.h

@@ -84,11 +84,6 @@ public:
      */
     void render(const RenderData& data);
 
-    /*
-     * Prints the SceneGraph tree. For debugging purposes
-     */
-    void printChildren() const;
-
     /*
      * Returns the root SceneGraphNode
      */

include/openspace/scenegraph/scenegraphnode.h

@@ -78,8 +78,6 @@ public:
 
     SceneGraphNode* childNode(const std::string& name);
 
-    void print() const;
-
 	const PerformanceRecord& performanceRecord() const { return _performanceRecord; }
 
     void setRenderable(Renderable* renderable);