Merge pull request #6327 from mrbobbytables/fix-slack

Revert "slack-config/sig-release: Add #release-team-leads channel (#6…

Author: k8s-ci-robot

communication/slack-config/sig-release/config.yaml

@@ -8,4 +8,3 @@ channels:
   - name: release-management
     id: CJH2GBF7Y
   - name: release-notes
-  - name: release-team-leads