remove unused Link<> member

Change-Id: I987e799e785326b3b36f67aed1134ab6fe74f1db
Reviewed-on: https://gerrit.libreoffice.org/18315Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

include/vcl/print.hxx

@@ -223,7 +223,6 @@ private:
     bool                        mbInPrintPage;
     bool                        mbNewJobSetup;
     bool                        mbIsQueuePrinter;
-    Link<>                      maErrorHdl;
 
     SAL_DLLPRIVATE void         ImplInitData();
     SAL_DLLPRIVATE void         ImplInit( SalPrinterQueueInfo* pInfo );