This have been unused for a while

Change-Id: I0a3249ac8adb739622992f7713d5184aebc4ce80
diff --git a/vcl/inc/generic/glyphcache.hxx b/vcl/inc/generic/glyphcache.hxx
index d33aee1..4d572c06 100644
--- a/vcl/inc/generic/glyphcache.hxx
+++ b/vcl/inc/generic/glyphcache.hxx
@@ -313,8 +313,6 @@ private:
    SAL_DLLPRIVATE  ServerFontLayout( const ServerFontLayout& );
    SAL_DLLPRIVATE  ServerFontLayout& operator=( const ServerFontLayout& );

    bool            bUseHarfBuzz;

public:
                    ServerFontLayout( ServerFont& );
    virtual bool    LayoutText( ImplLayoutArgs& );