Revert "cert_find: fix call with --all"
    
    This reverts commit 1f30cc65276a532e7288217f216b72a2b0628c8f.
    
    The problem isn't with python-cryptography, it is with the
    IPACertificate class which does way more work on a certificate
    than is necessary in cert-find.
    
    Related: https://pagure.io/freeipa/issue/9331
    Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>