remove /cluster/juju

Juju changed home and was cleaned up in 422a7ec49.
Remove the "provider" leftover in /cluster/juju.

No references were found in k/test-infra, k/k.

.gitignore

@@ -94,10 +94,6 @@ network_closure.sh
 # CoreOS stuff
 /cluster/libvirt-coreos/coreos_*.img
 
-# Juju Stuff
-/cluster/juju/charms/*
-/cluster/juju/bundles/local.yaml
-
 # Downloaded Kubernetes binary release
 /kubernetes/
 

cluster/juju/.gitignore

@@ -1,2 +0,0 @@
-builds
-deps

cluster/juju/OWNERS

@@ -1,16 +0,0 @@
-# See the OWNERS docs at https://go.k8s.io/owners
-
-approvers:
-- Cynerva
-- ktsakalozos
-reviewers:
-- thockin
-- mikedanese
-- eparis
-- jlowdermilk
-- david-mcmahon
-- Cynerva
-- wwwtyro
-- tvansteenburgh
-- ktsakalozos
-

cluster/juju/README.md

@@ -1,7 +0,0 @@
-# Juju Provider
-
-Source for charms and bundles related to Juju have moved to the
-[Charmed Kubernetes][cdk-repo] GitHub organization. This directory will be
-removed in a future release.
-
-[cdk-repo]: https://github.com/charmed-kubernetes