kube-prometheus: separate exporters in their own directories

hack/cluster-monitoring/deploy

hack/cluster-monitoring/teardown

...tate-metrics/kube-state-metrics-cluster-role-binding.yaml

...s/kube-state-metrics/kube-state-metrics-cluster-role.yaml

...sts/kube-state-metrics/kube-state-metrics-deployment.yaml

...ube-state-metrics/kube-state-metrics-service-account.yaml

manifests/kube-state-metrics/kube-state-metrics-service.yaml

manifests/node-exporter/node-exporter-daemonset.yaml

manifests/node-exporter/node-exporter-service.yaml