ipatests: cleanup in test_subdomain_lookup_with_certmaprule_containing_dn
As tests was failing <= fedora31
Thus removed certmap-rule in cleanup as
subdomain lookup fails when certmaprule contains DN.
Related: https://pagure.io/SSSD/sssd/issue/3721
Signed-off-by: Anuja More <amore@redhat.com>
Reviewed-By: Kaleemullah Siddiqui <ksiddiqu@redhat.com>
Reviewed-By: Armando Neto <abiagion@redhat.com>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>