message: fem.hpp: remove #ifdef MFEM_USE_CEED guard.
diff: #include "transfer.hpp"
  #include "fespacehierarchy.hpp"
  #include "multigrid.hpp"
  +#include "libceed/algebraic.hpp"
  #ifdef MFEM_USE_MPI
  #include "pfespace.hpp"
  #include "adios2datacollection.hpp"
  #endif
  -#ifdef MFEM_USE_CEED
  -#include "libceed/algebraic.hpp"
  -#endif
  -
  #endif
  