FS: Get CDN prefix from configuration (#110615)

* FS: Get CDN prefix from configuration

* undo logger change

* fix tests

* add unused property

* tests

* fix tests

* remove dead comment

pkg/api/api.go

@@ -47,7 +47,6 @@ import (
 	"github.com/grafana/grafana/pkg/services/dashboards"
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
-	"github.com/grafana/grafana/pkg/services/frontend"
 	"github.com/grafana/grafana/pkg/services/org"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginaccesscontrol"
 	publicdashboardsapi "github.com/grafana/grafana/pkg/services/publicdashboards/api"
@@ -86,12 +85,6 @@ func (hs *HTTPServer) registerRoutes() {
 	r.Get("/invite/:code", hs.Index)
 
 	if hs.Features.IsEnabledGlobally(featuremgmt.FlagMultiTenantFrontend) {
-		index, err := frontend.NewIndexProvider(hs.Cfg, hs.License)
-		if err != nil {
-			panic(err) // ???
-		}
-		r.Get("/femt", index.HandleRequest)
-
 		// Temporarily expose the full bootdata via API
 		r.Get("/bootdata", reqNoAuth, hs.GetBootdata)
 	}