message: Remove unused variable in ParNCMesh::MemoryUsage
diff: @@ -2798,14 +2798,6 @@ static std::size_t arrays_memory_usage(const Array<Type> (&arrays)[Size])
  std::size_t ParNCMesh::MemoryUsage(bool with_base) const
  {
  - std::size_t total_groups_owners = 0;
  - for (int i = 0; i < 3; i++)
  - {
  - total_groups_owners += entity_owner[i].MemoryUsage() +
  - entity_pmat_group[i].MemoryUsage() +
  - entity_index_rank[i].MemoryUsage();
  - }
  -
  return (with_base ? NCMesh::MemoryUsage() : 0) +
  GroupsMemoryUsage() +
  arrays_memory_usage(entity_owner) +
  