Remove unused method

mainwindow.cpp

@@ -190,7 +190,6 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
         _lastDir = standardLocations.first();
 
     _lastDir = settings.value("mainwindow/lastdir", _lastDir).toString();
-    m_filesystem->setDir(_lastDir);
 
     QStringList args = QCoreApplication::arguments();
     args.removeFirst();
@@ -377,7 +376,6 @@ void MainWindow::loadFile(const QString &path)
             _lastDir = info.canonicalPath();
         QSettings settings;
         settings.setValue("mainwindow/lastdir", _lastDir);
-        m_filesystem->setDir(_lastDir);
     }
 }