Remove Systemd related graphs

There is no metric to display for Systemd since we do not use Node
exporter metric but telegraf.

Change-Id: I80482fba7e1f8c872d7ad606056a8949c861e990
diff --git a/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json b/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json
index 05ef642..ee49457 100644
--- a/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json
+++ b/kubernetes/files/grafana_dashboards/kubernetes_cluster_prometheus.json
@@ -937,99 +937,6 @@
           "fill": 0,
           "grid": {},
           "height": "",
-          "id": 23,
-          "isNew": true,
-          "legend": {
-            "alignAsTable": true,
-            "avg": true,
-            "current": true,
-            "max": false,
-            "min": false,
-            "rightSide": true,
-            "show": true,
-            "sort": "current",
-            "sortDesc": true,
-            "total": false,
-            "values": true
-          },
-          "lines": true,
-          "linewidth": 2,
-          "links": [],
-          "nullPointMode": "connected",
-          "percentage": false,
-          "pointradius": 5,
-          "points": false,
-          "renderer": "flot",
-          "seriesOverrides": [],
-          "span": 12,
-          "stack": false,
-          "steppedLine": true,
-          "targets": [
-            {
-              "expr": "sum (rate (container_cpu_usage_seconds_total{systemd_service_name!=\"\",kubernetes_io_hostname=~\"^$Node$\"}[1m])) by (systemd_service_name)",
-              "hide": false,
-              "interval": "10s",
-              "intervalFactor": 1,
-              "legendFormat": "{{ systemd_service_name }}",
-              "metric": "container_cpu",
-              "refId": "A",
-              "step": 10
-            }
-          ],
-          "thresholds": [],
-          "timeFrom": null,
-          "timeShift": null,
-          "title": "System services CPU usage (1m avg)",
-          "tooltip": {
-            "msResolution": true,
-            "shared": true,
-            "sort": 2,
-            "value_type": "cumulative"
-          },
-          "type": "graph",
-          "xaxis": {
-            "show": true
-          },
-          "yaxes": [
-            {
-              "format": "none",
-              "label": "cores",
-              "logBase": 1,
-              "max": null,
-              "min": null,
-              "show": true
-            },
-            {
-              "format": "short",
-              "label": null,
-              "logBase": 1,
-              "max": null,
-              "min": null,
-              "show": false
-            }
-          ]
-        }
-      ],
-      "repeat": null,
-      "repeatIteration": null,
-      "repeatRowId": null,
-      "showTitle": false,
-      "title": "System services CPU usage",
-      "titleSize": "h6"
-    },
-    {
-      "collapse": true,
-      "height": "250px",
-      "panels": [
-        {
-          "aliasColors": {},
-          "bars": false,
-          "decimals": 3,
-          "editable": true,
-          "error": false,
-          "fill": 0,
-          "grid": {},
-          "height": "",
           "id": 24,
           "isNew": true,
           "legend": {
@@ -1103,7 +1010,10 @@
           },
           "type": "graph",
           "xaxis": {
-            "show": true
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
           },
           "yaxes": [
             {
@@ -1195,7 +1105,10 @@
           },
           "type": "graph",
           "xaxis": {
-            "show": true
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
           },
           "yaxes": [
             {
@@ -1330,100 +1243,6 @@
           "error": false,
           "fill": 0,
           "grid": {},
-          "id": 26,
-          "legend": {
-            "alignAsTable": true,
-            "avg": true,
-            "current": true,
-            "max": false,
-            "min": false,
-            "rightSide": true,
-            "show": true,
-            "sideWidth": 200,
-            "sort": "current",
-            "sortDesc": true,
-            "total": false,
-            "values": true
-          },
-          "lines": true,
-          "linewidth": 2,
-          "links": [],
-          "nullPointMode": "connected",
-          "percentage": false,
-          "pointradius": 5,
-          "points": false,
-          "renderer": "flot",
-          "seriesOverrides": [],
-          "span": 12,
-          "stack": false,
-          "steppedLine": true,
-          "targets": [
-            {
-              "expr": "sum (container_memory_working_set_bytes{systemd_service_name!=\"\",kubernetes_io_hostname=~\"^$Node$\"}) by (systemd_service_name)",
-              "interval": "10s",
-              "intervalFactor": 1,
-              "legendFormat": "{{ systemd_service_name }}",
-              "metric": "container_memory_usage:sort_desc",
-              "refId": "A",
-              "step": 10
-            }
-          ],
-          "thresholds": [],
-          "timeFrom": null,
-          "timeShift": null,
-          "title": "System services memory usage",
-          "tooltip": {
-            "msResolution": false,
-            "shared": true,
-            "sort": 2,
-            "value_type": "cumulative"
-          },
-          "type": "graph",
-          "xaxis": {
-            "mode": "time",
-            "name": null,
-            "show": true,
-            "values": []
-          },
-          "yaxes": [
-            {
-              "format": "bytes",
-              "label": null,
-              "logBase": 1,
-              "max": null,
-              "min": null,
-              "show": true
-            },
-            {
-              "format": "short",
-              "label": null,
-              "logBase": 1,
-              "max": null,
-              "min": null,
-              "show": false
-            }
-          ]
-        }
-      ],
-      "repeat": null,
-      "repeatIteration": null,
-      "repeatRowId": null,
-      "showTitle": false,
-      "title": "System services memory usage",
-      "titleSize": "h6"
-    },
-    {
-      "collapse": false,
-      "height": "250px",
-      "panels": [
-        {
-          "aliasColors": {},
-          "bars": false,
-          "decimals": 2,
-          "editable": true,
-          "error": false,
-          "fill": 0,
-          "grid": {},
           "id": 27,
           "legend": {
             "alignAsTable": true,
@@ -2028,6 +1847,6 @@
     ]
   },
   "timezone": "browser",
-  "title": "Kubernetes cluster monitoring (via Prometheus)",
-  "version": 3
+  "title": "Kubernetes cluster monitoring",
+  "version": 2
 }{% endraw %}