Wizards: usablitity fix

If the virtual projectKind item has no children it is deleted.

Change-Id: I5f86b18043ed937b3f38c8e1591a529af934043a
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>

src/plugins/coreplugin/dialogs/newdialog.cpp

@@ -301,6 +301,8 @@ void NewDialog::setWizards(QList<IWizard*> wizards)
             addItem(kindItem, wizard);
         }
     }
+    if (projectKindItem->columnCount() == 0)
+        parentItem->removeRow(0);
 }
 
 Core::IWizard *NewDialog::showDialog()