code: func (g *Cloud) DeleteRegionAddress(name, region string) error {
  	ctx, cancel := cloud.ContextWithCallTimeout()
  	defer cancel()
  
  	mc := newAddressMetricContext("delete", region)
  	return mc.Observe(g.c.Addresses().Delete(ctx, meta.RegionalKey(name, region)))
  }
docs: // DeleteRegionAddress deletes a region address by name.