Cleanup project

- To prepare being able to instead create games in a different
  repository

CopiumEngine/src/copium/core/Instance.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "copium/core/DebugMessenger.h"
-#include "copium/util/Timer.h"
 
 #include <GLFW/glfw3.h>
 #include <set>
@@ -22,8 +21,6 @@ namespace Copium
     VkQueue presentQueue;
     // TODO end
 
-    Timer timer;
-
   public:
     Instance(const std::string& applicationName);
     ~Instance();