Simplify host plenary generation
Simplify host plenary generation

There's no need to build a temporary array.

Reviewed-By: Zoltan Sebestyen <be2314d0afde2d2352aeb623a228e572c9b6cb8b@morganstanley.com>

guillaume-philippon/aquilon,stdweird/aquilon,stdweird/aquilon,quattor/aquilon,quattor/aquilon,guillaume-philippon/aquilon,guillaume-philippon/aquilon,quattor/aquilon,stdweird/aquilon