code: def cmd_fw_manifest_purge(self):
          '''remove all downloaded manifests'''
          for filepath in self.find_manifests():
              os.unlink(filepath)
          self.manifests_parse(f cmd_fw_manifest_purge(self):
          '''remove all downloaded manifests'''
          for filepath in self.find_manifests():
              os.unlink(filepath)
          self.manifests_parse()
docs: remove all downloaded manifests