def delete_secret(self, usage_type, usage_id):
        secret = self.find_secret(usage_type, usage_id)
        if secret is not None:
            secret.undefine()
Delete a secret.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/libvirt/host.py/Host.delete_secret