docs: remove PEM-9118

Author: addetz

docs/docs-content/release-notes/release-notes.md

@@ -23,13 +23,6 @@ tags: ["release-notes"]
 
 #### Features
 
-<!-- https://spectrocloud.atlassian.net/browse/PEM-9118 -->
-
-- Palette and VerteX installations now use
-  [Traefik for Kubernetes ingress](https://doc.traefik.io/traefik/reference/install-configuration/providers/kubernetes/kubernetes-ingress/).
-  The migration is seamless for new and existing Palette installations. This change follows the
-  [Ingress NGINX Retirement](https://kubernetes.io/blog/2025/11/11/ingress-nginx-retirement/).
-
 <!-- https://spectrocloud.atlassian.net/browse/PCP-5747 -->
 
 - Palette now supports the option to skip worker node upgrades on