Remove a duplicate function

This is a leftover from today's best-effort merges.

libmat2/office.py

@@ -355,39 +355,6 @@ class MSOfficeParser(ZipParser):
         tree.write(full_path, xml_declaration=True, encoding='utf-8')
         return True
 
-    @staticmethod
-    def __remove_document_comment_meta(full_path: str) -> bool:
-        try:
-            tree, namespace = _parse_xml(full_path)
-        except ET.ParseError as e:  # pragma: no cover
-            logging.error("Unable to parse %s: %s", full_path, e)
-            return False
-
-        # search the docs to see if we can bail early
-        range_start = tree.find('.//w:commentRangeStart', namespace)
-        range_end = tree.find('.//w:commentRangeEnd', namespace)
-        references = tree.find('.//w:commentReference', namespace)
-        if range_start is None and range_end is None and references is None:
-            return True  # No comment meta tags are present
-
-        parent_map = {c:p for p in tree.iter() for c in p}
-
-        # iterate over the elements and add them to list
-        elements_del = list()
-        for element in tree.iterfind('.//w:commentRangeStart', namespace):
-            elements_del.append(element)
-        for element in tree.iterfind('.//w:commentRangeEnd', namespace):
-            elements_del.append(element)
-        for element in tree.iterfind('.//w:commentReference', namespace):
-            elements_del.append(element)
-
-        # remove the elements
-        for element in elements_del:
-            parent_map[element].remove(element)
-
-        tree.write(full_path, xml_declaration=True, encoding='utf-8')
-        return True
-
     def __remove_content_type_members(self, full_path: str) -> bool:
         """ The method will remove the dangling references
         form the [Content_Types].xml file, since MS office doesn't like them