tdf#161853 vcl: Drop outdated icon choice control comment

The `sal_uLong` out param that the outdated comment
refers to was dropped in

    commit 497c589802a788de78af28ea88cec947b25355b3
    Date:   Tue Jun 16 14:36:06 2015 +0200

        sal_uLong->sal_Int32 in SvtIconChoiceCtrl

        and drop the pass-by-reference param from GetSelected, nothing
        uses it

Change-Id: I95334361b8d91ffd9497317a066718d466457c2b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/169832
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins
diff --git a/include/vcl/toolkit/ivctrl.hxx b/include/vcl/toolkit/ivctrl.hxx
index dca7287..318be74 100644
--- a/include/vcl/toolkit/ivctrl.hxx
+++ b/include/vcl/toolkit/ivctrl.hxx
@@ -226,7 +226,6 @@ public:
    void                    SetCursor( SvxIconChoiceCtrlEntry* pEntry );
    SvxIconChoiceCtrlEntry* GetCursor() const;

    // sal_uLong is the position of the selected element in the list
    SvxIconChoiceCtrlEntry* GetSelectedEntry() const;

#ifdef DBG_UTIL