message: Remove check for nodal basis in L2_TetrahedronElement constructor
  This allows creating 3D L2 finite element collections with IntegratedGLL basis
  type.
diff: @@ -601,7 +601,7 @@ L2_TetrahedronElement::L2_TetrahedronElement(const int p, const int btype)
  : NodalFiniteElement(3, Geometry::TETRAHEDRON, ((p + 1)*(p + 2)*(p + 3))/6,
  p, FunctionSpace::Pk)
  {
  - const double *op = poly1d.OpenPoints(p, VerifyNodal(VerifyOpen(btype)));
  + const double *op = poly1d.OpenPoints(p, VerifyOpen(btype));
  #ifndef MFEM_THREAD_SAFE
  shape_x.SetSize(p + 1);
  