Remove kubefed subproject

Author: mrbobbytables

sig-multicluster/README.md

@@ -54,9 +54,6 @@ The following [working groups][working-group-definition] are sponsored by sig-mu
 ## Subprojects
 
 The following [subprojects][subproject-definition] are owned by sig-multicluster:
-### Kubefed
-- **Owners:**
-  - [kubernetes-sigs/kubefed](https://github.com/kubernetes-sigs/kubefed/blob/master/OWNERS)
 ### about-api
 - **Owners:**
   - [kubernetes-sigs/about-api](https://github.com/kubernetes-sigs/about-api/blob/master/OWNERS)

sigs.yaml

@@ -1931,9 +1931,6 @@ sigs:
       github: mrbobbytables
       name: Bob Killen
   subprojects:
-  - name: Kubefed
-    owners:
-    - https://raw.githubusercontent.com/kubernetes-sigs/kubefed/master/OWNERS
   - name: about-api
     owners:
     - https://raw.githubusercontent.com/kubernetes-sigs/about-api/master/OWNERS