Skip TF management of ingress-nginx (helm timeout issues)

- ingress-nginx already deployed and working in cluster
- Helm updates timeout repeatedly (5+ min with context deadline exceeded)
- Remove from bootstrap releases; manage separately via helm/kubectl
- cert-manager + reloader continue via TF

terraform/bootstrap-releases.tf

@@ -10,11 +10,7 @@ locals {
       namespace     = "reloader"
       repo          = "stakater"
     }
-    ingress-nginx = {
+    # ingress-nginx: managed separately (not via TF due to helm timeout issues)
-      chart_version = "4.15.1"
-      namespace     = "ingress-nginx"
-      repo          = "ingress_nginx"
-    }
   }
 }