2afe21b ipatests: remove dnf workaround from test_epn.py

Authored and Committed by François Cami 3 years ago
    ipatests: remove dnf workaround from test_epn.py
    
    73c02f635 introduced a workaround to make sure the latest version
    of (free)ipa-client-epn was installed.
    Since cc624fb17 this should not be needed anymore.
    
    Fixes: https://pagure.io/freeipa/issue/8391
    Signed-off-by: François Cami <fcami@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>