Pull out the duplicate namespace definition to a separate 0-namespace.yaml file.

Signed-off-by: Huang Xin <[email protected]>

Author: gyohuangxin

config/webhook/0-namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: gateway-system

config/webhook/admission_webhook.yaml

@@ -1,8 +1,3 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: gateway-system
----
 apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:

config/webhook/certificate_config.yaml

@@ -1,9 +1,4 @@
 apiVersion: v1
-kind: Namespace
-metadata:
-  name: gateway-system
----
-apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: gateway-api-admission