Use system-wide crypto policy for TLS ciphers
IPA now uses the system-wide crypto policy for TLS ciphers on RHEL. It's
also now possible to keep the default policy by setting TLS_HIGH_CIPHERS
to None.
Fixes: https://pagure.io/freeipa/issue/7998
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>