Code review request: 4647343: IDENT variable in sun.security.x509 classes not used

[Jason Uh]

Hi all,

This change addresses --
4647343: IDENT variable in sun.security.x509 classes not used

The x509 CertificateIssuerUniqueIdentity and 
CertificateSubjectUniqueIdentity classes have been removed and 
X509CertInfo now makes use of the UniqueIdentity class directly instead.

CR: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4647343
Webrev: http://cr.openjdk.java.net/~juh/4647343/webrev.00

The test for this change will be kept closed because it includes a 
third-party certificate. It will be reviewed separately.

Thanks,
Jason