LibGUI: Remove copy-pasted auto-repeat logic from ColorInput

This was copy-pasted from button classes and not useful here.

Libraries/LibGUI/ColorInput.cpp

@@ -36,11 +36,6 @@ ColorInput::ColorInput()
  : TextEditor(TextEditor::SingleLine)
 {
  set_readonly(true);
-
- m_auto_repeat_timer = add<Core::Timer>();
- m_auto_repeat_timer->on_timeout = [this] {
- click();
- };
 }
 
 ColorInput::~ColorInput()
@@ -64,11 +59,6 @@ void ColorInput::mousedown_event(MouseEvent& event)
  if (is_enabled()) {
  m_being_pressed = true;
  update();
-
- if (m_auto_repeat_interval) {
- click();
- m_auto_repeat_timer->start(m_auto_repeat_interval);
- }
  }
  }
 
@@ -78,13 +68,11 @@ void ColorInput::mousedown_event(MouseEvent& event)
 void ColorInput::mouseup_event(MouseEvent& event)
 {
  if (event.button() == MouseButton::Left) {
- bool was_auto_repeating = m_auto_repeat_timer->is_active();
- m_auto_repeat_timer->stop();
  if (is_enabled()) {
  bool was_being_pressed = m_being_pressed;
  m_being_pressed = false;
  update();
- if (was_being_pressed && !was_auto_repeating)
+ if (was_being_pressed)
  click();
  }
  }

Libraries/LibGUI/ColorInput.h

@@ -31,14 +31,14 @@
 
 namespace GUI {
 
-class ColorInput : public TextEditor {
- C_OBJECT(ColorInput)
+class ColorInput final : public TextEditor {
+ C_OBJECT(ColorInput);
 
 public:
  ColorInput();
  virtual ~ColorInput() override;
 
- void set_color(Color color);
+ void set_color(Color);
  Color color() { return m_color; }
 
  void set_color_picker_title(String title) { m_color_picker_title = title; }
@@ -53,14 +53,12 @@ class ColorInput : public TextEditor {
  virtual void paint_event(PaintEvent&) override;
 
 private:
- virtual void click();
+ void click();
 
  Color m_color;
  String m_color_picker_title { "Select Color" };
 
- int m_auto_repeat_interval { 0 };
  bool m_being_pressed { false };
- RefPtr<Core::Timer> m_auto_repeat_timer;
 };
 
 }