COMP: Fix unused-variable warnings in DICOM/Widgets

Libs/DICOM/Widgets/ctkDICOMBrowser.cpp

@@ -756,7 +756,6 @@ void ctkDICOMBrowserPrivate::importDirectory(QString directory, ctkDICOMBrowser:
 //----------------------------------------------------------------------------
 void ctkDICOMBrowserPrivate::importOldSettings()
 {
-  Q_Q(ctkDICOMBrowser);
   // Backward compatibility
   QSettings settings;
   int dontConfirmCopyOnImport = settings.value("MainWindow/DontConfirmCopyOnImport", static_cast<int>(QMessageBox::InvalidRole)).toInt();

Libs/DICOM/Widgets/ctkDICOMObjectListWidget.cpp

@@ -361,7 +361,6 @@ QString ctkDICOMObjectListWidget::metadataAsText(bool allFiles /*=false*/)
 // --------------------------------------------------------------------------
 void ctkDICOMObjectListWidget::copyMetadata()
 {
-  Q_D(ctkDICOMObjectListWidget);
   QClipboard *clipboard = QApplication::clipboard();
   clipboard->setText(metadataAsText());
 }
@@ -369,7 +368,6 @@ void ctkDICOMObjectListWidget::copyMetadata()
 // --------------------------------------------------------------------------
 void ctkDICOMObjectListWidget::copyAllFilesMetadata()
 {
-  Q_D(ctkDICOMObjectListWidget);
   QApplication::setOverrideCursor(QCursor(Qt::BusyCursor));
   QClipboard *clipboard = QApplication::clipboard();
   clipboard->setText(metadataAsText(true));