Cleanup: Remove UITestScene. I believe test functionality will be better expressed as Python scripts

src/UITestScene.h

@@ -1,33 +0,0 @@
-#pragma once
-
-#include "Common.h"
-#include "Scene.h"
-#include "GameEngine.h"
-#include "Button.h"
-#include "UIMenu.h"
-//#include "VectorShape.h"
-#include "Grid.h"
-
-class UITestScene: public Scene
-{
-    sf::Text text;
-    EntityManager entities;
-    //Button test_button;
-    //UIMenu test_menu;
-    //UIMenu test_menu2;
-    std::vector<UIMenu> menus;
-    //VectorShape test_ship;
-    float desired_angle = 0;
-    sf::View viewport;
-    float zoom = 1;
-    sf::Vector2f resolution;
-    int grid_spacing = 500;
-    Grid grid;
-
-public:
-    UITestScene(GameEngine*);
-    void update() override final;
-    void doAction(std::string, std::string) override final;
-    void doButton(std::string);
-    void sRender() override final;
-};