code: def delete_floatingip(context, id):
      
  
      LOG.info('delete_floatingip %s for tenant %s' % (id, context.tenant_id))
  
      _delete_flip(context, id, ip_types.FLOATING)
docs: deallocate a floating IP.
  
      :param context: neutron api request context.
      :param id: id of the floating ip