Remove unneeded comment

Was left over in commit 28ba841

Author: GitHubPang

projects/RabbitMQ.Client/client/api/IModel.cs

@@ -373,7 +373,6 @@ string BasicConsume(
         /// </summary>
         /// <remarks>
         ///Returns the number of messages purged during queue deletion.
-        /// <code>uint.MaxValue</code>.
         /// </remarks>
         uint QueueDelete(string queue, bool ifUnused, bool ifEmpty);