Advanced behavioral detections section cleanup (#416)

Author: natasha-moore-elastic

raw-migrated-files/docs-content/serverless/security-advanced-behavioral-detections.md

@@ -400,7 +400,6 @@ toc:
       - file: docs-content/serverless/security-about-rules.md
       - file: docs-content/serverless/security-add-exceptions.md
       - file: docs-content/serverless/security-add-manage-notes.md
-      - file: docs-content/serverless/security-advanced-behavioral-detections.md  
       - file: docs-content/serverless/security-advanced-settings.md
       - file: docs-content/serverless/security-agent-tamper-protection.md
       - file: docs-content/serverless/security-ai-assistant-esql-queries.md
@@ -516,7 +515,6 @@ toc:
       - file: docs-content/serverless/security-triage-alerts-with-elastic-ai-assistant.md
       - file: docs-content/serverless/security-trusted-applications.md
       - file: docs-content/serverless/security-tune-detection-signals.md
-      - file: docs-content/serverless/security-tuning-anomaly-results.md
       - file: docs-content/serverless/security-turn-on-risk-engine.md
       - file: docs-content/serverless/security-ui.md
       - file: docs-content/serverless/security-uninstall-agent.md
@@ -785,7 +783,6 @@ toc:
       - file: security-docs/security/add-exceptions.md
       - file: security-docs/security/add-manage-notes.md
       - file: security-docs/security/admin-page-ov.md
-      - file: security-docs/security/advanced-behavioral-detections.md
       - file: security-docs/security/advanced-settings.md
       - file: security-docs/security/agent-tamper-protection.md
       - file: security-docs/security/ai-assistant-knowledge-base.md
@@ -908,7 +905,6 @@ toc:
       - file: security-docs/security/timeline-templates-ui.md
       - file: security-docs/security/timelines-ui.md
       - file: security-docs/security/trusted-apps-ov.md
-      - file: security-docs/security/tuning-anomaly-results.md
       - file: security-docs/security/tuning-detection-signals.md
       - file: security-docs/security/turn-on-risk-engine.md
       - file: security-docs/security/uninstall-agent.md

raw-migrated-files/docs-content/serverless/security-tuning-anomaly-results.md

@@ -4,11 +4,12 @@ mapped_urls:
   - https://www.elastic.co/guide/en/serverless/current/security-advanced-behavioral-detections.html
 ---
 
-# Advanced behavioral detections
+# Advanced behavioral detections [advanced-behavioral-detections]
 
-% What needs to be done: Lift-and-shift
+Elastic’s {{ml}} capabilities and advanced correlation, scoring, and visualization techniques can help you identify potential behavioral threats that may be associated with security incidents.
 
-% Use migrated content from existing pages that map to this page:
+Advanced behavioral detections includes two key capabilities:
+
+* [Anomaly detection](anomaly-detection.md)
+* [Behavioral detection use cases](behavioral-detection-use-cases.md)
 
-% - [ ] ./raw-migrated-files/security-docs/security/advanced-behavioral-detections.md
-% - [ ] ./raw-migrated-files/docs-content/serverless/security-advanced-behavioral-detections.md