String fixes

Change-Id: If4fa56d283669561f61323b3ee620f6d9a7ca1b1
Reviewed-by: hjk <hjk@theqtcompany.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>

src/plugins/clangcodemodel/test/qt-widgets-app/mainwindow.ui

@@ -9,16 +9,12 @@
     <height>300</height>
    </rect>
   </property>
-  <property name="windowTitle" >
-   <string>MainWindow</string>
-  </property>
   <widget class="QMenuBar" name="menuBar" />
   <widget class="QToolBar" name="mainToolBar" />
   <widget class="QWidget" name="centralWidget" />
   <widget class="QStatusBar" name="statusBar" />
  </widget>
  <layoutDefault spacing="6" margin="11" />
- <pixmapfunction></pixmapfunction>
  <resources/>
  <connections/>
 </ui>