rolled in review comments

Author: scmacdon

javav2/example_code/s3/src/main/java/com/example/s3/ListBuckets.java

@@ -6,12 +6,7 @@
 // snippet-start:[s3.java2.list.buckets.main]
 import software.amazon.awssdk.regions.Region;
 import software.amazon.awssdk.services.s3.S3Client;
-import software.amazon.awssdk.services.s3.model.Bucket;
-import software.amazon.awssdk.services.s3.model.ListBucketsResponse;
 import software.amazon.awssdk.services.s3.paginators.ListBucketsIterable;
-
-import java.util.List;
-
 /**
  * Before running this Java V2 code example, set up your development
  * environment, including your credentials.

javav2/example_code/s3/src/main/java/com/example/s3/lockscenario/CreateObjectLockRole.java

@@ -28,7 +28,6 @@ public static void main(String[] args) {
     }
 
     // snippet-start:[S3Lock.javav2.lock.role.main]
-
     /**
      * Creates an IAM role for AWS S3 Batch Operations to manage object locks.
      */