Just remove that statement. It's not been true since 2005.
Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/6906)
=item B<default_md>
This option specifies the digest algorithm to use. Possible values
-include B<md5 sha1 mdc2>. If not present then MD5 is used. This
-option can be overridden on the command line.
+include B<md5 sha1 mdc2>. This option can be overridden on the command line.
=item B<string_mask>