message: Remove unneeded UseDevice call
diff: @@ -3541,7 +3541,6 @@ DeviceConformingProlongationOperator::DeviceConformingProlongationOperator(
  const int tdofs = R->Height();
  MFEM_ASSERT(tdofs == R->HostReadI()[tdofs], "");
  ltdof_ldof = Array<int>(const_cast<int*>(R->HostReadJ()), tdofs);
  - ltdof_ldof.UseDevice();
  {
  Table nbr_ltdof;
  gc.GetNeighborLTDofTable(nbr_ltdof);
  