code: def remove_option(self, section, option):
          
          if self.is_secure_option(section, option) and self.keyring_available:
              s_option = "%s%s" % (section, option)
              self._unsaved[s_option] = ('delete', None)
          ConfigParser.remove_option(self, section, option)
docs: Removes the option from ConfigParser as well as
          the secure storage backend