double click on ProfileInterface widgets open specific dialog, german

translation updated

AboutDialog.cpp

@@ -24,7 +24,6 @@ AboutDialog::AboutDialog(QWidget *parent) :
     ui(new Ui::AboutDialog)
 {
     ui->setupUi(this);
-    this->setWindowIcon(QIcon(":/img/5sync.png"));
     aboutStr = ui->labAbout->text();
     ui->labAbout->setText(aboutStr.arg(qApp->applicationVersion(), QT_VERSION_STR, qVersion()));
 }