Remove checkbox.hpp

include/ftxui/component/checkbox.hpp

@@ -1,49 +0,0 @@
-#ifndef FTXUI_COMPONENT_CHECKBOX_HPP
-#define FTXUI_COMPONENT_CHECKBOX_HPP
-
-#include <functional>  // for function
-#include <string>      // for allocator, wstring
-
-#include "ftxui/component/component.hpp"       // for Component
-#include "ftxui/component/component_base.hpp"  // for ComponentBase
-#include "ftxui/dom/elements.hpp"   // for Element, Decorator, inverted, nothing
-#include "ftxui/screen/box.hpp"     // for Box
-#include "ftxui/screen/string.hpp"  // for ConstStringRef
-
-namespace ftxui {
-struct Event;
-
-/// @brief A Checkbox. It can be checked or unchecked.Display an element on a
-/// ftxui::Screen.
-/// @ingroup dom
-class CheckboxBase : public ComponentBase {
- public:
-  // Access this interface from a Component
-  static CheckboxBase* From(Component component);
-
-  // Constructor.
-  CheckboxBase(ConstStringRef label,
-               bool* state,
-               ConstRef<CheckboxOption> option = {});
-  ~CheckboxBase() override = default;
-
-  // Component implementation.
-  Element Render() override;
-  bool OnEvent(Event) override;
-
- private:
-  bool OnMouseEvent(Event event);
-
-  ConstStringRef label_;
-  bool* const state_;
-  Box box_;
-  ConstRef<CheckboxOption> option_;
-};
-
-}  // namespace ftxui
-
-#endif /* end of include guard: FTXUI_COMPONENT_CHECKBOX_HPP */
-
-// Copyright 2020 Arthur Sonzogni. All rights reserved.
-// Use of this source code is governed by the MIT license that can be found in
-// the LICENSE file.