macaroons: remember stateless init

To make sure no macaroons are created anywhere if the stateless
initialization was requested, we keep the requested initialization mode
in the memory of the macaroon service.

lnd.go

@@ -408,7 +408,7 @@ func Main(cfg *Config, lisCfg ListenerCfg, shutdownChan <-chan struct{}) error {
 	if !cfg.NoMacaroons {
 		// Create the macaroon authentication/authorization service.
 		macaroonService, err = macaroons.NewService(
-			cfg.networkDir, "lnd", macaroons.IPLockChecker,
+			cfg.networkDir, "lnd", false, macaroons.IPLockChecker,
 		)
 		if err != nil {
 			err := fmt.Errorf("unable to set up macaroon "+