[Suggestion] Remove sections from "Detections and alerts" page

[approksiu]

What can we change to make the docs better?

What: remove Malware prevention and Ransomware prevention sections from this page https://www.elastic.co/guide/en/security/current/detection-engine-overview.html
Why: they are out of place here, and are more relevant for Endpoint Security

Doc URL

Please include the doc URL and any other related information where applicable:
Doc URL: https://www.elastic.co/guide/en/security/current/detection-engine-overview.html
Github issue link(s)/Other resources:

Which documentation set needs improvement?

ESS and serverless

Software version

8.16+