Use CM clientset and remove unnecessary CM generated code (#1203)

Signed-off-by: Matthias Wessendorf <[email protected]>

Author: matzew

hack/update-codegen.sh

@@ -44,13 +44,6 @@ kube::codegen::gen_client \
   --with-watch \
   "${REPO_ROOT_DIR}/pkg/apis"
 
-kube::codegen::gen_client \
-  --boilerplate "${REPO_ROOT_DIR}/hack/boilerplate/boilerplate.go.txt" \
-  --output-dir "${REPO_ROOT_DIR}/pkg/client/certmanager" \
-  --output-pkg "knative.dev/eventing/pkg/client/certmanager" \
-  --with-watch \
-  "${REPO_ROOT_DIR}/vendor/github.com/cert-manager/cert-manager/pkg/apis"
-
 group "Knative Codegen"
 
 # Knative Injection
@@ -60,9 +53,9 @@ ${KNATIVE_CODEGEN_PKG}/hack/generate-knative.sh "injection" \
   --go-header-file ${REPO_ROOT_DIR}/hack/boilerplate/boilerplate.go.txt
 
 # Knative Injection (for cert-manager)
+OUTPUT_PKG="knative.dev/eventing/pkg/client/certmanager/injection" \
 ${KNATIVE_CODEGEN_PKG}/hack/generate-knative.sh "injection" \
-  knative.dev/eventing/pkg/client/certmanager github.com/cert-manager/cert-manager/pkg/apis \
-  "certmanager:v1 acme:v1" \
+  github.com/cert-manager/cert-manager/pkg/client github.com/cert-manager/cert-manager/pkg/apis "certmanager:v1 acme:v1" \
   --disable-informer-init \
   --go-header-file ${REPO_ROOT_DIR}/hack/boilerplate/boilerplate.go.txt
 

pkg/certificates/certificate.go

@@ -27,12 +27,12 @@ import (
 	cmmeta "github.com/cert-manager/cert-manager/pkg/apis/meta/v1"
 	"go.uber.org/zap"
 
+	cmclient "github.com/cert-manager/cert-manager/pkg/client/clientset/versioned"
+	cminformers "github.com/cert-manager/cert-manager/pkg/client/informers/externalversions"
+	cmlistersv1 "github.com/cert-manager/cert-manager/pkg/client/listers/certmanager/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/tools/cache"
 	"knative.dev/eventing/pkg/apis/feature"
-	cmclient "knative.dev/eventing/pkg/client/certmanager/clientset/versioned"
-	cminformers "knative.dev/eventing/pkg/client/certmanager/informers/externalversions"
-	cmlistersv1 "knative.dev/eventing/pkg/client/certmanager/listers/certmanager/v1"
 	"knative.dev/pkg/controller"
 	"knative.dev/pkg/injection"
 	"knative.dev/pkg/kmeta"