code: def remove_tags(self, server, tags):
          
          uuid = str(server)
          tags = [str(tag) for tag in tags]
  
          url = '/server/{0}/untag/{1}'.format(uuid, ','.join(tags))
          return self.post_request(url)
docs: Remove tags from a server.
  
          - server: Server object or UUID string
          - tags: list of Tag objects or strings