Revert of Create vector icon resource directory specific to Chrome.

chrome/app/vector_icons/BUILD.gn

Index: chrome/app/vector_icons/BUILD.gn
diff --git a/chrome/app/vector_icons/BUILD.gn b/chrome/app/vector_icons/BUILD.gn
deleted file mode 100644
index 35502cdb6ba7ca426e9b12defd5da250030475a9..0000000000000000000000000000000000000000
--- a/chrome/app/vector_icons/BUILD.gn
+++ /dev/null
@@ -1,58 +0,0 @@
-# Copyright 2017 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.
-
-action("aggregate_vector_icons") {
-  visibility = [ ":*" ]
-
-  script = "//ui/gfx/vector_icons/aggregate_vector_icons.py"
-
-  icons = [
-    "browser_tools.icon",
-    "browser_tools_error.icon",
-    "browser_tools_update.icon",
-    "navigate_back.1x.icon",
-    "navigate_back.icon",
-    "navigate_forward.1x.icon",
-    "navigate_forward.icon",
-    "navigate_home.1x.icon",
-    "navigate_home.icon",
-    "navigate_reload.1x.icon",
-    "navigate_reload.icon",
-    "navigate_stop.1x.icon",
-    "navigate_stop.icon",
-  ]
-
-  output_cc = "$target_gen_dir/vector_icons.cc"
-  output_h = "$target_gen_dir/vector_icons.h"
-
-  inputs = icons
-  inputs += [
-    "vector_icons.cc.template",
-    "vector_icons.h.template",
-  ]
-  outputs = [
-    output_cc,
-    output_h,
-  ]
-
-  response_file_contents = rebase_path(icons, root_build_dir)
-
-  args = [
-    "--working_directory=" + rebase_path("./"),
-    "--file_list={{response_file_name}}",
-    "--output_cc=" + rebase_path(output_cc, root_build_dir),
-    "--output_h=" + rebase_path(output_h, root_build_dir),
-  ]
-}
-
-source_set("vector_icons") {
-  sources = get_target_outputs(":aggregate_vector_icons")
-  sources += [ "//ui/gfx/vector_icon_types.h" ]
-
-  deps = [
-    ":aggregate_vector_icons",
-    "//base",
-    "//skia",
-  ]
-}