refactor: minor styling fixes; deadcode cleanup and correct log level

internal/route/provider/all_fields.yaml

@@ -108,4 +108,4 @@ example: # matching `example.y.z`
     no_loading_page: false
     docker:
       container_id: abc123
-      container_name: example-app
+      container_name: example-app

internal/route/provider/event_handler.go

@@ -99,6 +99,6 @@ func (handler *EventHandler) Update(parent task.Parent, oldRoute *route.Route, n
 
 func (handler *EventHandler) Log() {
 	if err := handler.errs.Error(); err != nil {
-		handler.provider.Logger().Info().Msg(err.Error())
+		handler.provider.Logger().Error().Msg(err.Error())
 	}
 }