style: run make fmt and revert docs change

Author: Duologic

docs/examples/simple.md

@@ -12,8 +12,10 @@ g.dashboard.new('Faro dashboard')
 + g.dashboard.withPanels([
   g.panel.timeSeries.new('Requests / sec')
   + g.panel.timeSeries.queryOptions.withTargets([
-    g.query.testData.withQueryType('randomWalk')
-    + g.query.testData.withDatasource(),
+    g.query.prometheus.new(
+      'mimir',
+      'sum by (status_code) (rate(request_duration_seconds_count{job=~".*/faro-api"}[$__rate_interval]))',
+    ),
   ])
   + g.panel.timeSeries.standardOptions.withUnit('reqps')
   + g.panel.timeSeries.gridPos.withW(24)