Removed Initialize function for systems.

src/Game/Game.cpp

@@ -52,8 +52,6 @@ Game::Game(int argc, char* argv[])
 	m_LastTime = glfwGetTime();
 
     testIntialize();
-
-	m_SystemPipeline->Initialize();
 }
 
 Game::~Game()

src/Game/PlayerSystem.cpp

@@ -1,10 +1,5 @@
 #include "PlayerSystem.h"
 
-void PlayerSystem::Initialize()
-{
-	EVENT_SUBSCRIBE_MEMBER(m_EKeyDown, &PlayerSystem::OnKeyDown);
-	EVENT_SUBSCRIBE_MEMBER(m_EKeyUp, &PlayerSystem::OnKeyUp);
-}
 
 void PlayerSystem::Update(World * world, ComponentWrapper & player, double dt)
 {