message: ENH: remove allocatorID param from sort_mcodes()
  Remove allocatorID parame from the sort_mcodes() method. The
  allocatorID is no longer needed since the method does not
  do any allocations internally.
diff: @@ -368,7 +368,7 @@ void reorder(int32* indices, T*& array, int32 size, int allocatorID)
  //------------------------------------------------------------------------------
  template < typename ExecSpace >
  -void sort_mcodes( uint32*& mcodes, int32 size, int32* iter, int allocatorID )
  +void sort_mcodes(uint32*& mcodes, int32 size, int32* iter)
  {
  AXOM_PERF_MARK_FUNCTION( "sort_mcodes" );
  @@ -639,7 +639,7 @@ void build_radix_tree(const FloatType* boxes,
  // original positions of the sorted morton codes.
  // allows us to gather / sort other arrays.
  get_mcodes<ExecSpace>(radix_tree.m_leaf_aabbs, size, bounds, radix_tree.m_mcodes);
  - sort_mcodes<ExecSpace>(radix_tree.m_mcodes, size, radix_tree.m_leafs, allocatorID);
  + sort_mcodes<ExecSpace>(radix_tree.m_mcodes, size, radix_tree.m_leafs);
  reorder<ExecSpace>(radix_tree.m_leafs, radix_tree.m_leaf_aabbs, size, allocatorID);
  