Remove Slack integration from toc

Signed-off-by: Usha Mandya <usha.mandya@docker.com>

_data/toc.yaml

@@ -1326,8 +1326,6 @@ manuals:
         title: Link to GitHub and BitBucket
   - path: /docker-hub/webhooks/
     title: Webhooks
-  - path: /docker-hub/slack_integration/
-    title: Slack integration
   - path: /docker-hub/image-access-management/
     title: Image Access Management
   - path: /docker-hub/vulnerability-scanning/

docker-hub/slack_integration.md

@@ -5,6 +5,7 @@ redirect_from:
 - /docker-cloud/tutorials/slack-integration/
 - /docker-cloud/slack-integration/
 title: Set up Docker Hub notifications in Slack
+sitemap: false
 ---
 
 Docker Hub can integrate with your **Slack** team to provide notifications about builds.