remove unused methdos

applications/gui2/src/modules/camera.hpp

@@ -90,8 +90,6 @@ public:
 	nanogui::Vector2i getActivePoseScreenCoord();
 	void transformActivePose(const Eigen::Matrix4d &pose);
 	void setActivePose(const Eigen::Matrix4d &pose);
-	void posesFromFile(const std::string& path);
-	void posesToFile(const std::string& path);
 
 private:
 	int frame_idx = -1;