Removes files from //build that we don't need

build/util/BUILD.gn

-# Copyright (c) 2013 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("webkit_version") {
-  script = "version.py"
-
-  lastchange_file = "LASTCHANGE.blink"
-
-  # TODO(brettw) move from content to this directory.
-  template_file = "//content/webkit_version.h.in"
-  inputs = [
-    lastchange_file,
-    template_file,
-  ]
-
-  output_file = "$root_gen_dir/webkit_version.h"
-  outputs = [
-    output_file,
-  ]
-
-  args = [
-    "-f",
-    rebase_path(lastchange_file, root_build_dir),
-    rebase_path(template_file, root_build_dir),
-    rebase_path(output_file, root_build_dir),
-  ]
-}
-
-action("chrome_version_json") {
-  script = "version.py"
-  _chrome_version_path = "//chrome/VERSION"
-  inputs = [
-    _chrome_version_path,
-  ]
-  _output_file = "$root_gen_dir/CHROME_VERSION.json"
-  outputs = [
-    _output_file,
-  ]
-  args = [
-    "--file",
-    rebase_path(_chrome_version_path, root_build_dir),
-    "--template",
-    "{\"full-quoted\": \"\\\"@MAJOR@.@MINOR@.@BUILD@.@PATCH@\\\"\"}",
-    "--output",
-    rebase_path(_output_file, root_build_dir),
-  ]
-}