Add comement and cleanup

Author: reakaleek

src/Elastic.Documentation.LinkIndex/LinkIndexProvider.cs

@@ -21,6 +21,10 @@ public interface ILinkIndexProvider
 public class AwsS3LinkIndexProvider(IAmazonS3 s3Client, string bucketName = "elastic-docs-link-index", string registryKey = "link-index.json") : ILinkIndexProvider
 {
 
+	// <summary>
+	// Using <see cref="AnonymousAWSCredentials"/> to access the link index
+	// allows to read from the link index without the need to provide AWS credentials.
+	// </summary>
 	public static AwsS3LinkIndexProvider CreateAnonymous()
 	{
 		var credentials = new AnonymousAWSCredentials();

src/Elastic.Markdown/IO/DocumentationSet.cs

@@ -5,13 +5,11 @@
 using System.Collections.Frozen;
 using System.IO.Abstractions;
 using System.Runtime.InteropServices;
-using Amazon.S3;
 using Elastic.Documentation;
 using Elastic.Documentation.Configuration.Builder;
 using Elastic.Documentation.Configuration.TableOfContents;
 using Elastic.Documentation.LinkIndex;
 using Elastic.Documentation.Links;
-using Elastic.Markdown.Diagnostics;
 using Elastic.Markdown.Extensions;
 using Elastic.Markdown.Extensions.DetectionRules;
 using Elastic.Markdown.IO.Navigation;

src/Elastic.Markdown/Links/InboundLinks/LinkIndexLinkChecker.cs

@@ -2,8 +2,6 @@
 // Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
 // See the LICENSE file in the project root for more information
 
-using Amazon.S3;
-using Elastic.Documentation;
 using Elastic.Documentation.Diagnostics;
 using Elastic.Documentation.LinkIndex;
 using Elastic.Documentation.Links;