Reinstate #4652 without url-related code

Remove code that changes remotes-loading code path, as mandated by #4756

api/internal/localizer/util_test.go

@@ -0,0 +1,18 @@
+// Copyright 2022 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package localizer //nolint:testpackage
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestUrlBase(t *testing.T) {
+	require.Equal(t, "repo", urlBase("https://github.com/org/repo"))
+}
+
+func TestUrlBaseTrailingSlash(t *testing.T) {
+	require.Equal(t, "repo", urlBase("github.com/org/repo//"))
+}