code: def remove_attribute(self, attr):
          
          update = [fapi._attr_rem(attr)]
          r = fapi.update_workspace_attributes(self.namespace, self.name,
                                                  update, self.api_url)
          self.data["workspace"]["attributes"].pop(attr, None)
          fapi._check_response_code(r, 200)
docs: Remove attribute from a workspace.
  
          Args:
              attr (str): attribute name