Mojo: Simplify typemap usage.

mojo/public/interfaces/bindings/tests/test_variant.mojom

Index: mojo/public/interfaces/bindings/tests/test_variant.mojom
diff --git a/mojo/public/interfaces/bindings/tests/test_variant.mojom b/mojo/public/interfaces/bindings/tests/test_variant.mojom
deleted file mode 100644
index 8c3698587a0398e6fd12d263e9e96afaad9a41b5..0000000000000000000000000000000000000000
--- a/mojo/public/interfaces/bindings/tests/test_variant.mojom
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-module mojo.test;
-
-import "test_variant_import.mojom";
-
-enum TestEnum {
-  VALUE1,
-  VALUE2
-};
-
-interface TestUseImportedType {
-  Use(mojo.test.test_import.ImportedType param)
-      => (mojo.test.test_import.ImportedType param);
-};