Prometheus: Remove featuremgmt imports (#81586)

* remove featuremgmt imports

* pass down feature flags instead of reading them for every query execution

pkg/tsdb/prometheus/querydata/request_test.go

@@ -15,7 +15,6 @@ import (
 	p "github.com/prometheus/common/model"
 	"github.com/stretchr/testify/require"
 
-	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/tsdb/prometheus/kinds/dataquery"
 
 	"github.com/grafana/kindsys"
@@ -442,7 +441,6 @@ func setup() (*testContext, error) {
 		JSONData: json.RawMessage(`{"timeInterval": "15s"}`),
 	}
 
-	features := featuremgmt.WithFeatures()
 	opts, err := client.CreateTransportOptions(context.Background(), settings, &setting.Cfg{}, log.New())
 	if err != nil {
 		return nil, err
@@ -453,7 +451,7 @@ func setup() (*testContext, error) {
 		return nil, err
 	}
 
-	queryData, _ := querydata.New(httpClient, features, settings, log.New())
+	queryData, _ := querydata.New(httpClient, settings, log.New())
 
 	return &testContext{
 		httpProvider: httpProvider,