Dont reset settingspage changed status when window is shown

This is done by Init in Load() when the settings is opened.

src/settings/settingspage.cpp

@@ -34,14 +34,6 @@
 
 SettingsPage::SettingsPage(SettingsDialog *dialog) : QWidget(dialog), dialog_(dialog), ui_widget_(nullptr), changed_(false) {}
 
-void SettingsPage::showEvent(QShowEvent *e) {
-
-  changed_ = false;
-
-  QWidget::showEvent(e);
-
-}
-
 void SettingsPage::Init(QWidget *ui_widget) {
 
   if (!ui_widget) return;

src/settings/settingspage.h

@@ -65,9 +65,6 @@ class SettingsPage : public QWidget {
 
   void set_changed() { changed_ = true; }
 
- protected:
-  void showEvent(QShowEvent *e) override;
-
  private:
   virtual void Save() = 0;
   virtual void Cancel() {}