Remove webhook and cert-manager configurations

This commit removes all webhook-related and cert-manager configurations, including certificates,
issuers, network policies, and associated tests. The changes also update the Kustomize setup and
related manifests to eliminate webhook support entirely.

Author: dspo

.golangci.yml

@@ -24,6 +24,8 @@ linters:
     revive:
       rules:
         - name: comment-spacings
+    lll:
+      line-length: 160
   exclusions:
     generated: lax
     rules:

Makefile

@@ -253,7 +253,6 @@ uninstall-gateway-api: ## Uninstall Gateway API CRDs from the K8s cluster specif
 .PHONY: install
 install: manifests kustomize install-gateway-api ## Install CRDs into the K8s cluster specified in ~/.kube/config.
 	$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
-	$(KUSTOMIZE) build config/webhook | $(KUBECTL) apply -f -
 
 .PHONY: uninstall
 uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.

config/certmanager/certificate-metrics.yaml

@@ -20,7 +20,7 @@ resources:
 - ../manager
 # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
 # crd/kustomization.yaml
-- ../webhook
+#- ../webhook
 # [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required.
 #- ../certmanager
 # [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
@@ -30,7 +30,7 @@ resources:
 - ../samples
 
 # Uncomment the patches line if you enable Metrics, and/or are using webhooks and cert-manager
-patches:
+#patches:
 # [METRICS] The following patch will enable the metrics endpoint using HTTPS and the port :8443.
 # More info: https://book.kubebuilder.io/reference/metrics
 #- path: manager_patch.yaml