Removed a debug trace and a comment

src/core/UBDocumentManager.cpp

@@ -236,8 +236,6 @@ int UBDocumentManager::addFilesToDocument(UBDocumentProxy* document, QStringList
                         UBGraphicsScene* scene = UBPersistenceManager::persistenceManager()->createDocumentSceneAt(document, pageIndex);
                         importAdaptor->placeImportedItemToScene(scene, page);
                         UBPersistenceManager::persistenceManager()->persistDocumentScene(document, scene, pageIndex);
-
-                        // TODO: Add an empty pixmap for the thumbnail here
                         UBApplication::boardController->addEmptyThumbPage();
                     }
 

src/gui/UBDocumentNavigator.cpp

@@ -84,7 +84,6 @@ void UBDocumentNavigator::generateThumbnails(UBDocumentContainer* source)
 
     for(int i = 0; i < source->selectedDocument()->pageCount(); i++)
     {
-    	qDebug() << "source->selectedDocument()->pageCount: " << source->selectedDocument()->pageCount() << ", source->pageCount: " << source->pageCount() << ",  source->pageAt(" << i << ")";
     	const QPixmap* pix = source->pageAt(i);
         UBSceneThumbnailNavigPixmap* pixmapItem = new UBSceneThumbnailNavigPixmap(*pix, source->selectedDocument(), i);
         int pageIndex = UBDocumentContainer::pageFromSceneIndex(i);