message: Removing unneeded code and using lower integration order (thanks v-dobrev)
diff: @@ -363,7 +363,7 @@ void VectorFEBoundaryLFIntegrator::AssembleRHSElementVect(
  const IntegrationRule *ir = IntRule;
  if (ir == NULL)
  {
  - int intorder = 2*el.GetOrder(); // <----------
  + int intorder = el.GetOrder() - 1; // <----------
  ir = &IntRules.Get(el.GetGeomType(), intorder);
  }
  @@ -371,12 +371,11 @@ void VectorFEBoundaryLFIntegrator::AssembleRHSElementVect(
  {
  const IntegrationPoint &ip = ir->IntPoint(i);
  - Tr.SetIntPoint (&ip);
  double val = ip.weight;
  el.CalcShape(ip, shape);
  - add(elvect, val, shape, elvect);
  + elvect.Add(val, shape);
  }
  }
  