Remove unneeded QSettings functions and imports

src/main.cpp

@@ -40,12 +40,6 @@ int main( int argc, char* argv[] )
 
     try
     {
-        QSettings appSettings( QSettings::IniFormat,
-                               QSettings::UserScope,
-                               mainEventLoop.organizationName(),
-                               mainEventLoop.applicationName() );
-        advsettings::OverlayController::setAppSettings( &appSettings );
-
         QQmlEngine qmlEngine;
 
         advsettings::OverlayController controller( commandLineArgs.desktopMode,

src/overlaycontroller.cpp

@@ -26,8 +26,6 @@
 // application namespace
 namespace advsettings
 {
-QSettings* OverlayController::_appSettings = nullptr;
-
 int verifyCustomTickRate( const int tickRate )
 {
     if ( tickRate < 1 )

src/overlaycontroller.h

@@ -11,7 +11,6 @@
 #include <QVector2D>
 #include <QVector3D>
 #include <QObject>
-#include <QSettings>
 #include <QQmlEngine>
 #include <QtGui/QOpenGLContext>
 #include <QtWidgets/QGraphicsScene>
@@ -279,20 +278,6 @@ signals:
     void vsyncDisabledChanged( bool value );
     void customTickRateMsChanged( int value );
     void debugStateChanged( int value );
-
-private:
-    static QSettings* _appSettings;
-
-public:
-    static QSettings* appSettings()
-    {
-        return _appSettings;
-    }
-
-    static void setAppSettings( QSettings* settings )
-    {
-        _appSettings = settings;
-    }
 };
 
 } // namespace advsettings