replace simple dashboard

dashboards/dbconn-default.json

@@ -17,6 +17,17 @@
   "graphTooltip": 0,
   "links": [],
   "liveNow": false,
+  "uid": "simple-dashboard",
+  "title": "Minimal Dashboard 44",
+  "tags": [],
+  "time": {
+    "from": "now-6h",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "schemaVersion": 17,
+  "version": 1,
   "panels": [
     {
       "datasource": {
@@ -108,21 +119,5 @@
       "title": "Panel Title",
       "type": "timeseries"
     }
-    ],
-    "refresh": "",
-    "schemaVersion": 38,
-    "tags": [],
-    "templating": {
-      "list": []
-    },
-    "time": {
-      "from": "now-6h",
-      "to": "now"
-    },
-    "timepicker": {},
-    "timezone": "",
-    "title": "dbconn-default",
-    "uid": "aaccddaa-default",
-    "version": 1,
-    "weekStart": ""
+  ]
 }