Removed tech preview for support router load secrets

Author: subhtk

modules/nw-ingress-route-secret-load-external-cert.adoc

@@ -6,9 +6,6 @@
 [id="nw-ingress-route-secret-load-external-cert_{context}"]
 = Creating a route with externally managed certificate
 
-:FeatureName: Securing route with external certificates in TLS secrets
-include::snippets/technology-preview.adoc[]
-
 You can configure {product-title} routes with third-party certificate management solutions by using the `.spec.tls.externalCertificate` field of the route API. You can reference externally managed TLS certificates via secrets, eliminating the need for manual certificate management. Using the externally managed certificate reduces errors ensuring a smoother rollout of certificate updates, enabling the OpenShift router to serve renewed certificates promptly. 
 
 [NOTE]

security/cert_manager_operator/cert-manager-securing-routes.adoc

@@ -8,9 +8,6 @@ toc::[]
 
 In the {product-title}, the route API is extended to provide a configurable option to reference TLS certificates via secrets. With the xref:../../networking/routes/secured-routes.adoc#nw-ingress-route-secret-load-external-cert_secured-routes[Creating a route with externally managed certificate] Technology Preview feature enabled, you can minimize errors from manual intervention, streamline the certificate management process, and enable the {product-title} router to promptly serve the referenced certificate.
 
-:FeatureName: Securing routes with the {cert-manager-operator}
-include::snippets/technology-preview.adoc[]
-
 include::modules/cert-manager-configuring-routes.adoc[leveloffset=+1]
 
 [role="_additional-resources"]