update kubeflow/1.9.0

charts/kubeflow/common/knative/knative-eventing/base/upstream/eventing-core.yaml

@@ -758,21 +758,6 @@ spec:
           type: Utilization
           averageUtilization: 100
 ---
-apiVersion: policy/v1
-kind: PodDisruptionBudget
-metadata:
-  name: eventing-webhook
-  namespace: knative-eventing
-  labels:
-    app.kubernetes.io/component: eventing-webhook
-    app.kubernetes.io/version: "1.12.6"
-    app.kubernetes.io/name: knative-eventing
-spec:
-  minAvailable: 50%
-  selector:
-    matchLabels:
-      app: eventing-webhook
----
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -783,7 +768,7 @@ metadata:
     app.kubernetes.io/version: "1.12.6"
     app.kubernetes.io/name: knative-eventing
 spec:
-  replicas: 2
+  replicas: 1
   selector:
     matchLabels:
       app: eventing-webhook