Dart: Reorganize files

services/dart/test/dart/service_test_interfaces/BUILD.gn

Index: services/dart/test/dart/service_test_interfaces/BUILD.gn
diff --git a/services/dart/test/dart/service_test_interfaces/BUILD.gn b/services/dart/test/dart/service_test_interfaces/BUILD.gn
deleted file mode 100644
index 03ac77fa1baef2cd2c9a1f2aff1ec8a8ff644409..0000000000000000000000000000000000000000
--- a/services/dart/test/dart/service_test_interfaces/BUILD.gn
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright 2015 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.
-
-import("//mojo/public/dart/rules.gni")
-
-dart_pkg("service_test_interfaces") {
-  sources = [
-    "pubspec.yaml",
-  ]
-  deps = [
-    "//mojo/public/dart",
-    "//services/dart/test:pingpong_service_interface",
-    "//services/dart/test:echo_service_interface",
-  ]
-}