No longer need to specify an application when creating a game state

Game/src/Game.cpp

@@ -7,7 +7,7 @@ int main(int argc, char* argv[]) {
 	//app.setWindowIcon(...);
 	// app.setWindowCursor(...);
 
-	MainState* test = new MainState(&app);
+	MainState* test = new MainState;
 	app.addState(test, "Main State");
 	app.addDefaultState("Main State");
 

Game/src/MainState.cpp

@@ -1,11 +1,5 @@
 #include "MainState.h"
 
-MainState::MainState(nf::Application* app) :
-	Gamestate(app)
-{
-
-}
-
 void MainState::onEnter() {
 	Log("MainState onEnter!");
 

Game/src/include/MainState.h

@@ -3,8 +3,6 @@
 
 class MainState : public nf::Gamestate {
 public:
-	MainState(nf::Application* app);
-
 	void onEnter() override;
 
 	void update(double deltaTime) override;