freeipa.spec: do not use jsl for linting on Fedora 34+
jsl package is orphaned in Fedora 34+ as it cannot be built.
Related: https://pagure.io/freeipa/issue/8847
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>