code: def delete(self, namespace, key):
          
          if not self.dbconfig.key_exists(namespace, key):
              return self.make_response('No such config entry exists: {}/{}'.format(namespace, key), HTTP.BAD_REQUEST)
  
          self.dbconfig.delete(namespace, key)
          auditlog(event='configItem.delete', actor=session['user'].username, data={'namespace': namespace, 'key': key})
          return self.make_response('Config entry deleted')
docs: Delete a specific configuration item