Remove some unused functions

REVIEW: 116562

src/views/dolphinview.cpp

@@ -1354,16 +1354,6 @@ void DolphinView::calculateItemCount(int& fileCount,
     }
 }
 
-void DolphinView::showHoverInformation(const KFileItem& item)
-{
-    emit requestItemInfo(item);
-}
-
-void DolphinView::clearHoverInformation()
-{
-    emit requestItemInfo(KFileItem());
-}
-
 void DolphinView::slotDeleteFileFinished(KJob* job)
 {
     if (job->error() == 0) {

src/views/dolphinview.h

@@ -613,20 +613,6 @@ private slots:
      */
     void updateSortFoldersFirst(bool foldersFirst);
 
-    /**
-     * Updates the status bar to show hover information for the
-     * item \a item. If currently other items are selected,
-     * no hover information is shown.
-     * @see DolphinView::clearHoverInformation()
-     */
-    void showHoverInformation(const KFileItem& item);
-
-    /**
-     * Clears the hover information shown in the status bar.
-     * @see DolphinView::showHoverInformation().
-     */
-    void clearHoverInformation();
-
     /**
      * Indicates in the status bar that the delete operation
      * of the job \a job has been finished.

src/views/renamedialog.cpp

@@ -30,15 +30,6 @@
 #include <QLabel>
 #include <QVBoxLayout>
 
-/**
- * Helper function for sorting items with qSort() in
- * DolphinView::renameSelectedItems().
- */
-bool lessThan(const KFileItem& item1, const KFileItem& item2)
-{
-    return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
-}
-
 RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
     KDialog(parent),
     m_renameOneItem(false),