docs: def clear_data(self):
          """Removes the content data.
  
          raise:  NoAccess - ``Metadata.isRequired()`` is ``true`` or
                  ``Metadata.isReadOnly()`` is ``true``
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Removes the item from filesystem and resets URL to ''
          url = self.get_url()
          # try to clear from payload first, in case that fails we won't mess with AWS
          self._payload.clear_url()
          os.remove(url)