mod+cmd/lncli: use google.golang.org/protobuf package

lnd.go

@@ -37,7 +37,6 @@ import (
 	"github.com/lightningnetwork/lnd/watchtower"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/protobuf/encoding/protojson"
 	"gopkg.in/macaroon-bakery.v2/bakery"
 	"gopkg.in/macaroon.v2"
 )
@@ -857,10 +856,8 @@ func startRestProxy(cfg *Config, rpcServer *rpcServer, restDialOpts []grpc.DialO
 	// that the marshaler prints all values, even if they are falsey.
 	customMarshalerOption := proxy.WithMarshalerOption(
 		proxy.MIMEWildcard, &proxy.JSONPb{
-			MarshalOptions: protojson.MarshalOptions{
-				UseProtoNames:   true,
-				EmitUnpopulated: true,
-			},
+			MarshalOptions:   *lnrpc.RESTJsonMarshalOpts,
+			UnmarshalOptions: *lnrpc.RESTJsonUnmarshalOpts,
 		},
 	)
 	mux := proxy.NewServeMux(