refactor: remove unused GLFW includes and commented-out code

include/Cubed/input/input.hpp

@@ -1,7 +1,5 @@
 #pragma once
 
-#include <GLFW/glfw3.h>
-
 namespace Cubed {
 
 struct MoveState {

include/Cubed/texture_manager.hpp

@@ -50,7 +50,6 @@ public:
     const Texture* get_pbr_texture() const;
     const std::vector<std::unique_ptr<Texture>>& item_textures() const;
     const Texture* get_skin() const;
-    // Must call after MapTable::init_map() and glfwMakeContextCurrent(window);
     void init_texture();
 
     void need_reload();