QmlDesigner: Remove unused ItemLibraryModel::createDragPixmap

Change-Id: I1a8838969a5b5bd4917ee35afbbde0348737660c
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>

src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.cpp

@@ -356,18 +356,6 @@ int ItemLibraryModel::getHeight(const ItemLibraryEntry &itemLibraryEntry)
     return 64;
 }
 
-QPixmap ItemLibraryModel::createDragPixmap(int , int )
-{
-    QImage dragImage(10, 10, QImage::Format_ARGB32); // TODO: draw item drag icon
-    dragImage.fill(0x00ffffff); //### todo for now we disable the preview image
-    QPainter p(&dragImage);
-    QPen pen(Qt::gray);
-//    pen.setWidth(2);
-//    p.setPen(pen);
-//    p.drawRect(1, 1, dragImage.width() - 2, dragImage.height() - 2);
-    return QPixmap::fromImage(dragImage);
-}
-
 void registerQmlTypes()
 {
     registerItemLibrarySortedModel();

src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.h

@@ -94,7 +94,6 @@ private: // functions
 
     int getWidth(const ItemLibraryEntry &entry);
     int getHeight(const ItemLibraryEntry &entry);
-    QPixmap createDragPixmap(int width, int height);
 
 private: // variables
     QMap<int, ItemLibrarySection*> m_sectionModels;