QmlProfiler: Clean up statistics view

Fix some misnomers and remove an unused declaration.

Change-Id: Ia5e30ccc7c465a10c5214b7fe025aa0f578cdab4
Reviewed-by: Christian Kandeler <christian.kandeler@theqtcompany.com>

src/plugins/qmlprofiler/qmlprofilerstatisticsview.h

@@ -107,7 +107,6 @@ public:
     ~QmlProfilerStatisticsMainView();
 
     void setFieldViewable(Fields field, bool show);
-    void setShowAnonymousEvents( bool showThem );
 
     QModelIndex selectedModelIndex() const;
     void copyTableToClipboard() const;