[8.x] BYO LLM 8.16 updates (backport #5967) (#5997)

* BYO LLM 8.16 updates (#5967)

* BYO LLM 8.16 updates

* Update docs/AI-for-security/connect-to-byo.asciidoc

Co-authored-by: Nastasha Solomon <[email protected]>

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Co-authored-by: Nastasha Solomon <[email protected]>
(cherry picked from commit 3d18f62)

# Conflicts:
#	docs/serverless/AI-for-security/connect-to-byo-llm.mdx
#	docs/serverless/AI-for-security/images/lms-edit-connector.png

* Delete docs/serverless directory and its contents

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Co-authored-by: Benjamin Ironside Goldstein <[email protected]>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: 3 people

docs/AI-for-security/connect-to-byo.asciidoc

@@ -180,10 +180,11 @@ Finally, configure the connector:
 1. Log in to your Elastic deployment.
 2. Navigate to **Stack Management → Connectors → Create Connector → OpenAI**. The OpenAI connector enables this use case because LM Studio uses the OpenAI SDK.
 3. Name your connector to help keep track of the model version you are using.
-4. Under **URL**, enter the domain name specified in your Nginx configuration file, followed by `/v1/chat/completions`.
-5. Under **Default model**, enter `local-model`.
-6. Under **API key**, enter the secret token specified in your Nginx configuration file.
-7. Click **Save**.
+4. Under **Select an OpenAI provider**, select **Other (OpenAI Compatible Service)**.
+5. Under **URL**, enter the domain name specified in your Nginx configuration file, followed by `/v1/chat/completions`.
+6. Under **Default model**, enter `local-model`.
+7. Under **API key**, enter the secret token specified in your Nginx configuration file.
+8. Click **Save**.
 
 image::images/lms-edit-connector.png[The Edit connector page in the {security-app}, with appropriate values populated]