removed a second message box on deletion

src/document/UBDocumentController.cpp

@@ -1449,6 +1449,9 @@ void UBDocumentTreeView::dropEvent(QDropEvent *event)
 
     if(targetIsInTrash)
     {
+        if (!UBApplication::mainWindow->yesNoQuestion(tr("Remove Item"), tr("Are you sure you want to remove the selected item(s) ?")))
+            return;
+
         UBApplication::documentController->moveIndexesToTrash(dropIndex, docModel);
     }else{
         docModel->moveIndexes(dropIndex, targetIndex);
@@ -3146,9 +3149,6 @@ void UBDocumentController::deletePages(QList<QGraphicsItem *> itemsToDelete)
 
             }
         }
-
-        if(UBApplication::mainWindow->yesNoQuestion(tr("Remove Page"), tr("Are you sure you want to remove %n page(s) from the selected document '%1'?", "", sceneIndexes.count()).arg(proxy->metaData(UBSettings::documentName).toString())))
-        {
         UBDocumentContainer::deletePages(sceneIndexes);
         emit UBApplication::boardController->documentThumbnailsUpdated(this);
 
@@ -3170,7 +3170,6 @@ void UBDocumentController::deletePages(QList<QGraphicsItem *> itemsToDelete)
         mBoardController->reloadThumbnails();
     }
 }
-}
 
 int UBDocumentController::getSelectedItemIndex()
 {