Remove navigation_service_unittests, along with the service itself.

mash/browser/BUILD.gn

Index: mash/browser/BUILD.gn
diff --git a/mash/browser/BUILD.gn b/mash/browser/BUILD.gn
deleted file mode 100644
index 2df64ce009d63a0cd126b9bd6cc92be91a3cfa11..0000000000000000000000000000000000000000
--- a/mash/browser/BUILD.gn
+++ /dev/null
@@ -1,65 +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.
-
-import("//build/config/ui.gni")
-import("//services/service_manager/public/cpp/service.gni")
-import("//services/service_manager/public/service_manifest.gni")
-import("//mojo/public/tools/bindings/mojom.gni")
-import("//tools/grit/repack.gni")
-
-source_set("lib") {
-  testonly = true
-  sources = [
-    "browser.cc",
-    "browser.h",
-    "debug_view.cc",
-    "debug_view.h",
-  ]
-
-  deps = [
-    "//base",
-    "//content/public/common:service_names",
-    "//mash/public/interfaces",
-    "//mojo/public/cpp/bindings",
-    "//services/catalog/public/interfaces",
-    "//services/navigation/public/cpp",
-    "//services/navigation/public/interfaces",
-    "//services/service_manager/public/cpp",
-    "//services/service_manager/public/interfaces",
-    "//ui/aura",
-    "//ui/gfx/geometry/mojo",
-    "//ui/native_theme",
-    "//ui/views",
-    "//ui/views/mus:for_mojo_application",
-    "//url",
-  ]
-
-  data_deps = [
-    "//services/navigation",
-  ]
-}
-
-service("browser") {
-  testonly = true
-  sources = [
-    "main.cc",
-  ]
-
-  deps = [
-    ":lib",
-    "//services/service_manager/public/cpp",
-    "//ui/views/mus:for_mojo_application",
-  ]
-
-  resources = [ "$root_out_dir/views_mus_resources.pak" ]
-
-  data_deps = [
-    "//services/ui",
-  ]
-}
-
-service_manifest("manifest") {
-  name = "browser"
-  source = "manifest.json"
-}