remove kfserving component (kubeflow#2239)

(cherry picked from commit e05f2c6)

README.md

@@ -51,7 +51,6 @@ This repo periodically syncs all official Kubeflow components from their respect
 | Tensorboards Web App | apps/tensorboard/tensorboards-web-app/upstream | [v1.5.0](https://github.com/kubeflow/kubeflow/tree/v1.5.0/components/crud-web-apps/tensorboards/manifests) |
 | Volumes Web App | apps/volumes-web-app/upstream | [v1.5.0](https://github.com/kubeflow/kubeflow/tree/v1.5.0/components/crud-web-apps/volumes/manifests) |
 | Katib | apps/katib/upstream | [v0.14.0-rc.0](https://github.com/kubeflow/katib/tree/v0.14.0-rc.0/manifests/v1beta1) |
-| KFServing | apps/kfserving/upstream | [v0.6.1](https://github.com/kubeflow/kfserving/releases/tag/v0.6.1) |
 | KServe | contrib/kserve/upstream | [v0.7.0](https://github.com/kserve/kserve/tree/v0.7.0) |
 | Kubeflow Pipelines | apps/pipeline/upstream | [1.8.2](https://github.com/kubeflow/pipelines/tree/1.8.2/manifests/kustomize) |
 | Kubeflow Tekton Pipelines | apps/kfp-tekton/upstream | [v1.2.1](https://github.com/kubeflow/kfp-tekton/tree/v1.2.1/manifests/kustomize) |
@@ -161,7 +160,7 @@ kustomize build common/oidc-authservice/base | kubectl apply -f -
 
 #### Knative
 
-Knative is used by the KFServing official Kubeflow component.
+Knative is used by the KServe official Kubeflow component.
 
 Install Knative Serving:
 
@@ -247,7 +246,7 @@ You can learn more about their differences in [Installation Options for Kubeflow
 
 Besides installation instructions in Kubeflow Pipelines Standalone documentation, you need to apply two virtual services to expose [Kubeflow Pipelines UI](https://github.com/kubeflow/pipelines/blob/1.7.0/manifests/kustomize/base/installs/multi-user/virtual-service.yaml) and [Metadata API](https://github.com/kubeflow/pipelines/blob/1.7.0/manifests/kustomize/base/metadata/options/istio/virtual-service.yaml) in kubeflow-gateway.
 
-#### KServe / KFServing
+#### KServe
 
 KFServing was rebranded to KServe.
 
@@ -265,13 +264,6 @@ kustomize build contrib/kserve/models-web-app/overlays/kubeflow | kubectl apply
 
 - ../contrib/kserve/models-web-app/overlays/kubeflow
 
-For those not ready to migrate to KServe, you can still install KFServing v0.6.1 with
-the following command, but we recommend migrating to KServe as soon as possible:
-
-```sh
-kustomize build apps/kfserving/upstream/overlays/kubeflow | kubectl apply -f -
-```
-
 #### Katib
 
 Install the Katib official Kubeflow component: