Remove workarounds for previously missing Bouncy Castle fips features.

DEVSIX-7474

Author: glenner003

itext/itext.bouncy-castle-fips-adapter/itext/bouncycastlefips/cert/ocsp/CertIDBCFips.cs

@@ -35,6 +35,7 @@ You should have received a copy of the GNU Affero General Public License
 using Org.BouncyCastle.Asn1.X500;
 using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Ocsp;
 
 namespace iText.Bouncycastlefips.Cert.Ocsp {
     /// <summary>
@@ -44,7 +45,7 @@ namespace iText.Bouncycastlefips.Cert.Ocsp {
     public class CertIDBCFips : ICertID {
         private static readonly CertIDBCFips INSTANCE = new CertIDBCFips(null);
 
-        private static readonly string HASH_SHA1 = CryptoConfig.MapNameToOID("SHA1");
+        private static readonly string HASH_SHA1 = CertificateID.HashSha1.Algorithm.Id;
 
         private readonly CertID certificateID;