update embedded cluster check in apps handler (#4401)

pkg/handlers/app.go

@@ -17,7 +17,6 @@ import (
 	"github.com/replicatedhq/kots/pkg/embeddedcluster"
 	"github.com/replicatedhq/kots/pkg/gitops"
 	"github.com/replicatedhq/kots/pkg/helm"
-	"github.com/replicatedhq/kots/pkg/k8sutil"
 	"github.com/replicatedhq/kots/pkg/kotsutil"
 	"github.com/replicatedhq/kots/pkg/logger"
 	"github.com/replicatedhq/kots/pkg/operator"
@@ -324,17 +323,7 @@ func responseAppFromApp(a *apptypes.App) (*types.ResponseApp, error) {
 		Slug: d.ClusterSlug,
 	}
 
-	clientset, err := k8sutil.GetClientset()
-	if err != nil {
-		return nil, errors.Wrap(err, "failed to get clientset")
-	}
-
-	isEmbeddedCluster, err := embeddedcluster.IsEmbeddedCluster(clientset)
-	if err != nil {
-		return nil, errors.Wrap(err, "failed to check if cluster is embedded")
-	}
-
-	if isEmbeddedCluster {
+	if util.IsEmbeddedCluster() {
 		embeddedClusterConfig, err := store.GetStore().GetEmbeddedClusterConfigForVersion(a.ID, a.CurrentSequence)
 		if err != nil {
 			return nil, errors.Wrap(err, "failed to get embedded cluster config")