Delete a document in DynamoDB, identified by a key, using specified configs.

C# |
public Document DeleteItem( IDictionary<string, DynamoDBEntry> key, DeleteItemOperationConfig config )

- key (IDictionary<(Of <(<'String, DynamoDBEntry>)>)>)
- Key of the document.
- config (DeleteItemOperationConfig)
- Configuration to use.

Null or old attributes, depending on config.