Remove unused QObject parent arguments on options pages

In the new plugin setup scheme they are data members of the
plugin pimpl and never use the parent.

Change-Id: I28fe150393e8159064dcfbd113ce0320af50fd58
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/ios/iossettingspage.cpp

@@ -35,8 +35,7 @@
 namespace Ios {
 namespace Internal {
 
-IosSettingsPage::IosSettingsPage(QObject *parent)
-    : Core::IOptionsPage(parent)
+IosSettingsPage::IosSettingsPage()
 {
     setId(Constants::IOS_SETTINGS_ID);
     setDisplayName(tr("iOS"));

src/plugins/ios/iossettingspage.h

@@ -39,7 +39,7 @@ class IosSettingsPage : public Core::IOptionsPage
     Q_OBJECT
 
 public:
-    explicit IosSettingsPage(QObject *parent = nullptr);
+    IosSettingsPage();
 
     QWidget *widget() override;
     void apply() override;

src/plugins/ios/iossettingswidget.cpp

@@ -62,9 +62,8 @@ static void onSimOperation(const SimulatorInfo &simInfo, SimulatorOperationDialo
     dlg->addMessage(simInfo, response, contextStr);
 }
 
-IosSettingsWidget::IosSettingsWidget(QWidget *parent)
-    : QWidget(parent),
-      m_ui(new Ui::IosSettingsWidget),
+IosSettingsWidget::IosSettingsWidget()
+    : m_ui(new Ui::IosSettingsWidget),
       m_simControl(new SimulatorControl(this))
 {
     m_ui->setupUi(this);

src/plugins/ios/iossettingswidget.h

@@ -33,15 +33,13 @@ namespace Ios {
 namespace Internal {
 
 namespace Ui { class IosSettingsWidget; }
-class SimulatorInfoModel;
-using SimulatorInfoList = QList<SimulatorInfo>;
 
 class IosSettingsWidget : public QWidget
 {
     Q_OBJECT
 
 public:
-    IosSettingsWidget(QWidget *parent = nullptr);
+    IosSettingsWidget();
     ~IosSettingsWidget() override;
 
     void saveSettings();