Fix Kubernetes dashboard for large clusters

This changes removes the "All" option in the Node list because when too
many nodes are present, it freezes Grafana.

Change-Id: I423c529325a51c898bd9bc02407dcccdb2e04d09
diff --git a/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json b/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json
index ee49457..b34e210 100644
--- a/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json
+++ b/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json
@@ -1799,7 +1799,7 @@
         "allValue": ".*",
         "current": {},
         "hide": 0,
-        "includeAll": true,
+        "includeAll": false,
         "label": null,
         "multi": false,
         "name": "Node",
@@ -1808,7 +1808,7 @@
         "refresh": 1,
         "refresh_on_load": true,
         "regex": "",
-        "sort": 0,
+        "sort": 1,
         "tagValuesQuery": "",
         "tags": [],
         "tagsQuery": "",