Remove the old package manager

mojo/shell/fetcher/BUILD.gn

Index: mojo/shell/fetcher/BUILD.gn
diff --git a/mojo/shell/fetcher/BUILD.gn b/mojo/shell/fetcher/BUILD.gn
deleted file mode 100644
index 61dd5834d113c244f425dd2400ff472bd9873376..0000000000000000000000000000000000000000
--- a/mojo/shell/fetcher/BUILD.gn
+++ /dev/null
@@ -1,43 +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/tools/bindings/mojom.gni")
-
-source_set("fetcher") {
-  sources = [
-    "about_fetcher.cc",
-    "about_fetcher.h",
-    "data_fetcher.cc",
-    "data_fetcher.h",
-    "local_fetcher.cc",
-    "local_fetcher.h",
-    "network_fetcher.cc",
-    "network_fetcher.h",
-    "switches.cc",
-    "switches.h",
-    "url_resolver.cc",
-    "url_resolver.h",
-  ]
-
-  public_deps = [
-    "//base",
-    "//mojo/common",
-    "//mojo/public/cpp/bindings",
-    "//mojo/services/network/public/interfaces",
-    "//mojo/services/updater",
-    "//mojo/shell/public/interfaces",
-    "//url",
-  ]
-  deps = [
-    "//base/third_party/dynamic_annotations",
-    "//crypto:crypto",
-    "//mojo/edk/system",
-    "//mojo/environment:chromium",
-    "//mojo/shell",
-    "//mojo/shell/public/cpp:sources",
-    "//mojo/util:filename_util",
-    "//net",
-    "//url",
-  ]
-}