code: def clear_branding(self):
          
          if (self.get_branding_metadata().is_read_only() or
                  self.get_branding_metadata().is_required()):
              raise NoAccess()
          self.my_osid_object_form._my_map['brandingIds'] = self._branding_default
docs: Removes the branding.
  
          raise:  NoAccess - ``Metadata.isRequired()`` is ``true`` or
                  ``Metadata.isReadOnly()`` is ``true``
          *compliance: mandatory -- This method must be implemented.*