ipn: remove mention of wgkey in comment.
const (
// MachineKeyStateKey is the key under which we store the machine key,
- // in its wgkey.Private.MarshalText representation.
+ // in its key.NodePrivate.MarshalText representation.
MachineKeyStateKey = StateKey("_machinekey")
// GlobalDaemonStateKey is the ipn.StateKey that tailscaled
