remove widget hint for composer manager

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12265 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/app/qgisapp.cpp

@@ -3733,7 +3733,7 @@ void QgisApp::newPrintComposer()
 
 void QgisApp::showComposerManager()
 {
-  QgsComposerManager m( this, 0, Qt::WindowStaysOnTopHint );
+  QgsComposerManager m( this, 0);
   m.exec();
 }