Martin Lueders requested to merge remove_libxc4_support into release-13.0 Jun 06, 2023

Description

Libxc 4 had been deprecated in the last release, and will now be removed.

News snippet

Libxc 4 had been deprecated in the last release, and will now be removed.

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.