don't source the kube-env in addon-manager

cluster/saltbase/salt/kube-addons/kube-addons.sh

@@ -76,19 +76,6 @@ echo "== Kubernetes addon manager started at $(date -Is) with ADDON_CHECK_INTERV
 
 ensure_python
 
-# Load the kube-env, which has all the environment variables we care
-# about, in a flat yaml format.
-kube_env_yaml="/var/cache/kubernetes-install/kube_env.yaml"
-if [ ! -e "${kubelet_kubeconfig_file}" ]; then
-  eval $(${PYTHON} -c '''
-import pipes,sys,yaml
-
-for k,v in yaml.load(sys.stdin).iteritems():
-  print("readonly {var}={value}".format(var = k, value = pipes.quote(str(v))))
-''' < "${kube_env_yaml}")
-fi
-
-
 # Create the namespace that will be used to host the cluster-level add-ons.
 start_addon /etc/kubernetes/addons/namespace.yaml 100 10 "" &