science/salome-{configuration, kernel}: Fix fetch, improve, undeprecate

science/salome-configuration: Update 9_11_0 => 9_15_0, undeprecate

Changelogs:

• https://github.com/SalomePlatform/configuration/compare/V9_11_0...V9_15_0

• Switch MASTER_SITES to Github

+ Add second WWW for source code repository
+ Add LICENSE and LICENSE_FILE

science/salome-kernel: Fix fetch, improve, undeprecate

• Switch MASTER_SITES to Github

+ Add second WWW for source code repository

Approved by: yuri@ (Mentor)

Differential Revision: https://reviews.freebsd.org/D52657