func (k *Keyring) RemoveKey(key ssh.PublicKey) error {
	return k.Agent.Remove(key)
}
func (k *Keyring) RemoveKey(key ssh.PublicKey) error {
	return k.Agent.Remove(key)
}
func ( k * Keyring ) RemoveKey ( key ssh . PublicKey ) error { return k . Agent . Remove ( key ) }
// RemoveKey removes an existing key from keyring
RemoveKey removes an existing key from keyring