Help: Remove qDebug

Change-Id: I02576a9dbef9ce56df74c06a773df39a3b3fc6f2
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/help/helpplugin.cpp

@@ -1092,7 +1092,6 @@ void HelpPlugin::addBookmark()
 
 void HelpPlugin::highlightSearchTermsInContextHelp()
 {
-    qDebug() << "highlight" << m_contextHelpHighlightId;
     if (m_contextHelpHighlightId.isEmpty())
         return;
     HelpViewer* viewer = viewerForContextMode();