multi: run go fmt with go 1.17

macaroons/service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/hex"
 	"fmt"
+
 	"github.com/lightningnetwork/lnd/kvdb"
 	"google.golang.org/grpc/metadata"
 	"gopkg.in/macaroon-bakery.v2/bakery"