clean up and remove nodegroupdialog

app/panel/pixelsampler/pixelsamplerpanel.cpp

@@ -25,7 +25,7 @@
 namespace olive {
 
 PixelSamplerPanel::PixelSamplerPanel(QWidget *parent) :
-  PanelWidget(QStringLiteral("ProjectPanel"), parent)
+  PanelWidget(QStringLiteral("PixelSamplerPanel"), parent)
 {
   sampler_widget_ = new ManagedPixelSamplerWidget();
   SetWidgetWithPadding(sampler_widget_);

app/panel/viewer/viewer.cpp

@@ -24,24 +24,6 @@ namespace olive {
 
 ViewerPanel::ViewerPanel(const QString &object_name, QWidget *parent) :
   ViewerPanelBase(object_name, parent)
-{
-  Init();
-}
-
-ViewerPanel::ViewerPanel(QWidget *parent) :
-  ViewerPanelBase(QStringLiteral("ViewerPanel"), parent)
-{
-  Init();
-}
-
-void ViewerPanel::Retranslate()
-{
-  ViewerPanelBase::Retranslate();
-
-  SetTitle(tr("Viewer"));
-}
-
-void ViewerPanel::Init()
 {
   // Set ViewerWidget as the central widget
   ViewerWidget* vw = new ViewerWidget();
@@ -52,4 +34,11 @@ void ViewerPanel::Init()
   Retranslate();
 }
 
+void ViewerPanel::Retranslate()
+{
+  ViewerPanelBase::Retranslate();
+
+  SetTitle(tr("Viewer"));
+}
+
 }

app/panel/viewer/viewer.h

@@ -34,14 +34,14 @@ class ViewerPanel : public ViewerPanelBase {
   Q_OBJECT
 public:
   ViewerPanel(const QString& object_name, QWidget* parent);
-  ViewerPanel(QWidget* parent);
+  ViewerPanel(QWidget *parent) :
+    ViewerPanel(QStringLiteral("ViewerPanel"), parent)
+  {
+  }
 
 protected:
   virtual void Retranslate() override;
 
-private:
-  void Init();
-
 };
 
 }