release-520: Hard code 'opensource' in the names

There is no need to use the %GLOBAL_LICENSE% workaround now that we
have split files for enterprise and opensource in different repositories.

Change-Id: I33f14661789aac36078119b162e1ec1819500cf8
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>