Revert "Certificate Transparency: Code for unpacking EV cert hashes whitelist"

net/cert/x509_certificate_mac.cc

Index: net/cert/x509_certificate_mac.cc
diff --git a/net/cert/x509_certificate_mac.cc b/net/cert/x509_certificate_mac.cc
index b81864b9c3da7e76f4696d33f24b5e2400e1728e..b3815765265d941dc570d3a324e126f9161c72f1 100644
--- a/net/cert/x509_certificate_mac.cc
+++ b/net/cert/x509_certificate_mac.cc
@@ -374,24 +374,6 @@ SHA1HashValue X509Certificate::CalculateFingerprint(
 }
 
 // static
-SHA256HashValue X509Certificate::CalculateFingerprint256(OSCertHandle cert) {
-  SHA256HashValue sha256;
-  memset(sha256.data, 0, sizeof(sha256.data));
-
-  CSSM_DATA cert_data;
-  OSStatus status = SecCertificateGetData(cert, &cert_data);
-  if (status)
-    return sha256;
-
-  DCHECK(cert_data.Data);
-  DCHECK_NE(cert_data.Length, 0U);
-
-  CC_SHA256(cert_data.Data, cert_data.Length, sha256.data);
-
-  return sha256;
-}
-
-// static
 SHA1HashValue X509Certificate::CalculateCAFingerprint(
     const OSCertHandles& intermediates) {
   SHA1HashValue sha1;