delete unused undoAll

git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@68033 954022d7-b5bf-4e40-9824-e11837661b57

Excel/native/native.js

@@ -4751,7 +4751,6 @@ function offline_cell_editor_close(x, y, width, height, ratio) {
     if (cellEditor.close(true)) {
         _api.wb.getWorksheet().handlers.trigger('applyCloseEvent', e);
     } else {
-        cellEditor.undoAll();
         cellEditor.close();
         length = 0;
     }

Excel/view/CellEditorView.js

@@ -2073,7 +2073,6 @@
         if (t.handlers.trigger("isGlobalLockEditCell")) {
           return false;
         }
-        t.undoAll();
         t.close();
         return false;