Don't document deprecated wxComboCtrl::SetValueWithEvent().

This method shouldn't be used at all, either SetValue() or ChangeValue()
should be used instead, so don't document it.

Closes #13961.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70577 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/combo.h

@@ -823,12 +823,6 @@ public:
     */
     virtual void SetValue(const wxString& value);
 
-    /**
-        Same as SetValue(), but also sends wxCommandEvent of type
-        @c wxEVT_COMMAND_TEXT_UPDATED if @a withEvent is @true.
-    */
-    void SetValueWithEvent(const wxString& value, bool withEvent = true);
-
     /**
         Show the popup.