Reinstate #4652 without url-related code

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

kustomize/commands/internal/util/util_test.go

@@ -102,6 +102,9 @@ type fakeLoader struct {
 	path string
 }
 
+func (l fakeLoader) Repo() (string, bool) {
+	return "", false
+}
 func (l fakeLoader) Root() string {
 	return ""
 }