Valgrind: Use generic timed future for uncertain progress

Change-Id: Idb7f1b1e5a0fcd0351d6c30f5a6dadcbec191898
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/valgrind/memcheckengine.h

@@ -62,9 +62,6 @@ protected:
     virtual QStringList toolArguments() const;
     virtual ValgrindRunner *runner();
 
-private slots:
-    void status(const Valgrind::XmlProtocol::Status &status);
-
 private:
     XmlProtocol::ThreadedParser m_parser;
     Memcheck::MemcheckRunner m_runner;