Remove cached `kubernetes-coreos/` subproject
Remove cached `kubernetes-coreos/` subproject

errordeveloper/weave-demos,errordeveloper/weave-demos,chourobin/weave-demos,chourobin/weave-demos,chourobin/weave-demos,errordeveloper/weave-demos,errordeveloper/weave-demos,chourobin/weave-demos