analyzer: move convenience factory back to base plugin

Change-Id: Ife82b74ce4b457dd9e6a6cc3749cb629aeeacf58
Reviewed-on: http://codereview.qt.nokia.com/1086
Reviewed-by: hjk <qthjk@ovi.com>
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>

src/plugins/valgrind/memchecktool.h

@@ -118,7 +118,6 @@ private:
 
     Analyzer::IAnalyzerEngine *createEngine(const Analyzer::AnalyzerStartParameters &sp,
                                ProjectExplorer::RunConfiguration *runConfiguration = 0);
-    void startTool(Analyzer::StartMode mode);
 
     void clearErrorView();