message: snapshotter: do not print snapshot labels
  The image registry auth are included in the labels:
  containerd.io/snapshot/pullsecret:***
  containerd.io/snapshot/pullusername:***
diff: @@ -169,12 +169,12 @@ func (o *snapshotter) Mounts(ctx context.Context, key string) ([]mount.Mount, er
  }
  func (o *snapshotter) prepareRemoteSnapshot(ctx context.Context, id string, labels map[string]string) error {
  - log.G(ctx).Infof("remote snapshot mountpoint %s, labels %v", o.upperPath(id), labels)
  + log.G(ctx).Infof("prepare remote snapshot mountpoint %s", o.upperPath(id))
  return o.fs.Mount(o.context, id, labels)
  }
  func (o *snapshotter) prepareStargzRemoteSnapshot(ctx context.Context, id string, labels map[string]string) error {
  - log.G(ctx).Infof("prepare stargz remote snapshot mountpoint %s, labels %v", o.upperPath(id), labels)
  + log.G(ctx).Infof("prepare stargz remote snapshot mountpoint %s", o.upperPath(id))
  return o.stargzFs.Mount(o.context, id, labels)
  }
  