remove spurious file-cat of debug file

lib.d/make-selfsigned-wildcard-ssl-cert.sh

@@ -134,7 +134,6 @@ if $OPENSSL x509 -in $certfile -noout -text | grep -i signature | grep -vi sha25
         echo $this: WARNING: the cert is not signed with SHA256
         echo $this: this is not fatal, but worth checking
         echo $this: perhaps your OpenSSL needs upgrading
-        cat $check
     ) 1>&2
 fi