Qnx: Remove unused member variable

Change-Id: I24fcfb397bcce8e801c36f3bc197a7448bc4f69c
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/qnx/qnxconfiguration.h

@@ -56,7 +56,6 @@ public:
 
 private:
     QString m_configName;
-    QnxQtVersion *m_qtVersion;
 
     ProjectExplorer::Kit *createKit(QnxArchitecture arch,
                                     QnxToolChain *toolChain,