Remove documentation of inexistent wxEvtHandler::TryThis().

This method existed only briefly and was replaced by Try{Before,After}().

Closes #14012.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70652 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/event.h

@@ -535,7 +535,7 @@ public:
         the chain until the event is processed or the chain is exhausted.
 
         This function is called from ProcessEvent() and, in turn, calls
-        TryThis() for each handler in turn. It is not virtual and so cannot be
+        TryBefore() and TryAfter(). It is not virtual and so cannot be
         overridden but can, and should, be called to forward an event to
         another handler instead of ProcessEvent() which would result in a
         duplicate call to TryAfter(), e.g. resulting in all unprocessed events
@@ -1153,25 +1153,6 @@ protected:
      */
     virtual bool TryBefore(wxEvent& event);
 
-    /**
-        Try to process the event in this event handler.
-
-        This method is called from ProcessEventLocally() and thus, indirectly,
-        from ProcessEvent(), please see the detailed description of the event
-        processing logic there.
-
-        It is currently @em not virtual and so may not be overridden.
-
-        @since 2.9.1
-
-        @param event
-            Event to process.
-        @return
-            @true if this object itself defines a handler for this event and
-            the handler didn't skip the event.
-     */
-    bool TryThis(wxEvent& event);
-
     /**
         Method called by ProcessEvent() as last resort.