code: def remove_custom_field_setting(self, project, params={}, **options): 
          
          path = "/projects/%s/removeCustomFieldSetting" % (project)
          return self.client.post(path, params, **options)
docs: Remove a custom field setting on the project.
  
          Parameters
          ----------
          project : {Id} The project to associate the custom field with
          [data] : {Object} Data for the request
            - [custom_field] : {Id} The id of the custom field to remove from this project.