Revert unintended changes to streams.md

Author: theletterf

solutions/observability/streams/streams.md

@@ -96,4 +96,4 @@ Interact with and configure your streams in the following ways:
 - [**Processing**](./management/extract.md): Parse and extract information from documents into dedicated fields.
 - [**Schema**](./management/schema.md): Manage field mappings.
 - [**Data quality**](./management/data-quality.md): Get information about failed and degraded documents in your stream.
-- [**Advanced**](./management/advanced.md): Review and manually modify underlying {{es}} components of your stream.
+- [**Advanced**](./management/advanced.md): Review and manually modify underlying {{es}} components of your stream.