message: Remove unused std::vector<>.
diff: @@ -877,7 +877,6 @@ Status MaybeUpdateOpDevice(EagerOperation* op) {
  if (!allowed_devices.empty()) {
  // TODO(b/145922293): Support allowed_devices specified in wildcard
  // patterns.
  - std::vector<string> device_names;
  if (std::find(allowed_devices.begin(), allowed_devices.end(),
  op->GetDeviceName()) != allowed_devices.end()) {
  TF_RETURN_IF_ERROR(ctx.FindDeviceFromName(
  