I am sure you stll using KLoxo-MR 6.5.0.f. In 6.5.1, this files already removed.
Kloxo-MR 6.5.1 is slimmer than 6.5.0 because many files already removed.
For comparison, rpm for 6.5.0 + fckeditor + extjs + yui-dragdrop is 9.57MB but 6.5.1 only need 6.66MB (no separate fckeditor, extjs and yui-dragdrop rpms).