remove unused Link<> field

Change-Id: Iea23f5edd60d5ac214afa89d051cd4f900564343
Reviewed-on: https://gerrit.libreoffice.org/18804Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

sc/source/ui/inc/funcpage.hxx

@@ -52,7 +52,6 @@ class ScFuncPage : public TabPage
 {
 private:
 
-    Link<>          aDoubleClickLink;
     Link<>          aSelectionLink;
     FixedText       aFtCategory;
     ListBox         aLbCategory;
@@ -85,9 +84,6 @@ public:
     const ScFuncDesc* GetFuncDesc( sal_uInt16 nPos ) const;
     OUString          GetSelFunctionName() const;
 
-    void            SetDoubleClickHdl( const Link<>& rLink ) { aDoubleClickLink = rLink; }
-    const Link<>&   GetDoubleClickHdl() const { return aDoubleClickLink; }
-
     void              SetSelectHdl( const Link<>& rLink ) { aSelectionLink = rLink; }
     const Link<>&     GetSelectHdl() const { return aSelectionLink; }