Updating KEP 536 to note that it has been replaced by KEP 2433

This also commits us to removing the implementation in the 1.22 cycle.

Author: robscott

keps/sig-network/536-topology-aware-routing/README.md

@@ -3,6 +3,7 @@
 ## Table of Contents
 
 <!-- toc -->
+- [Status](#status)
 - [Motivation](#motivation)
   - [Goals](#goals)
   - [Non-goals](#non-goals)
@@ -25,6 +26,11 @@
       - [Beta -&gt; GA Graduation](#beta---ga-graduation)
 <!-- /toc -->
 
+## Status
+This KEP has been replaced by [KEP 2433: Topology Aware
+Hints](https://github.com/kubernetes/enhancements/issues/2433). It will be fully
+removed in Kubernetes 1.22.
+
 ## Motivation
 
 Figure out a generic way to implement the "local service" route, say "topology aware routing of service".

keps/sig-network/536-topology-aware-routing/kep.yaml

@@ -10,5 +10,5 @@ reviewers:
 approvers:
   - "@thockin"
 creation-date: 2018-10-24
-last-updated: 2019-10-17
-status: implementable
+last-updated: 2021-04-30
+status: replaced