internxt: fix lint problems

backend/internxt/auth.go

@@ -19,7 +19,6 @@ import (
 	"golang.org/x/oauth2"
 )
 
-
 type userInfo struct {
 	RootFolderID string
 	Bucket       string

backend/internxt/internxt.go

@@ -743,6 +743,8 @@ func (f *Fs) About(ctx context.Context) (*fs.Usage, error) {
 	return usage, nil
 }
 
+// Shutdown the backend, closing any background tasks and any cached
+// connections.
 func (f *Fs) Shutdown(ctx context.Context) error {
 	buckets.WaitForPendingThumbnails()