analyzer: refactoring of analyzer manager

Change-Id: I60268b8bc86e439beb3fca8f4b6a87ea03925bad
Reviewed-on: http://codereview.qt.nokia.com/1049
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/qmlprofiler/qmlprofilerplugin.h

@@ -46,8 +46,6 @@ class QmlProfilerPlugin : public ExtensionSystem::IPlugin
     Q_OBJECT
 
 public:
-    static QmlProfilerPlugin *instance();
-
     QmlProfilerPlugin();
     ~QmlProfilerPlugin();
 
@@ -60,8 +58,6 @@ public:
 private:
     class QmlProfilerPluginPrivate;
     QmlProfilerPluginPrivate *d;
-
-    static QmlProfilerPlugin *m_instance;
 };
 
 } // namespace Internal