deleted non existing Cancelled() method

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21326 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/listevt.tex

@@ -91,12 +91,6 @@ dragging events, it is the column to the left of the divider being dragged, for
 the column click events it may be $-1$ if the user clicked in the list control
 header outside any column.
 
-\membersection{wxListEvent::Cancelled}\label{wxlisteventcancelled}
-
-\constfunc{bool}{Cancelled}{\void}
-
-true if this event is an end edit event and the user cancelled the edit.
-
 \membersection{wxListEvent::GetPoint}\label{wxlisteventgetpoint}
 
 \constfunc{wxPoint}{GetPoint}{\void}