Revert "cert_find: fix call with --all"

This reverts commit 1f30cc6527.

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>

ipaserver/plugins/cert.py

@@ -1807,7 +1807,6 @@ class cert_find(Search, CertMethod):
                             # For the case of CA-less we need to keep
                             # the certificate because getting it again later
                             # would require unnecessary LDAP searches.
-                            cert = cert.to_cryptography()
                             obj['certificate'] = (
                                 base64.b64encode(
                                     cert.public_bytes(x509.Encoding.DER))