attrs.go
func (a *Attrs) RemoveAttr(key string) {
	a.attrsLock.Lock()
	defer a.attrsLock.Unlock()

	delete(a.attrs, getAttrHash(key))
}
func (a *Attrs) RemoveAttr(key string) {
	a.attrsLock.Lock()
	defer a.attrsLock.Unlock()

	delete(a.attrs, getAttrHash(key))
}
// RemoveAttr will remove the attribute with the provided name.