Marked IX509CertificateDatabase.Update(X509CrlRecord) as obsolete

There is no reason that I can think of to update a CRL record.

Author: jstedfast

MimeKit/Cryptography/IX509CertificateDatabase.cs

@@ -183,6 +183,7 @@ public interface IX509CertificateDatabase : IStore<X509Certificate>, IDisposable
 		/// Updates the specified fields of the record in the database.
 		/// </remarks>
 		/// <param name="record">The CRL record.</param>
+		[Obsolete ("This method is not used and will be removed in a future release.")]
 		void Update (X509CrlRecord record);
 
 		/// <summary>

MimeKit/Cryptography/SqlCertificateDatabase.cs

@@ -876,6 +876,7 @@ protected override DbCommand GetUpdateCommand (DbConnection connection, X509Cert
 		/// <returns>The database command.</returns>
 		/// <param name="connection">The database connection.</param>
 		/// <param name="record">The CRL record.</param>
+		[Obsolete ("This method is not used and will be removed in a future release.")]
 		protected override DbCommand GetUpdateCommand (DbConnection connection, X509CrlRecord record)
 		{
 			var statement = new StringBuilder ("UPDATE ").Append (CrlsTableName).Append (" SET ");

MimeKit/Cryptography/X509CertificateDatabase.cs

@@ -887,6 +887,7 @@ protected static object GetValue (X509CrlRecord record, string columnName)
 		/// <returns>The database command.</returns>
 		/// <param name="connection">The database connection.</param>
 		/// <param name="record">The CRL record.</param>
+		[Obsolete ("This method is not used and will be removed in a future release.")]
 		protected abstract DbCommand GetUpdateCommand (DbConnection connection, X509CrlRecord record);
 
 		/// <summary>
@@ -1211,6 +1212,7 @@ public void Remove (X509CrlRecord record)
 		/// <exception cref="System.ArgumentNullException">
 		/// <paramref name="record"/> is <see langword="null"/>.
 		/// </exception>
+		[Obsolete ("This method is not used and will be removed in a future release.")]
 		public void Update (X509CrlRecord record)
 		{
 			if (record == null)