Remove a bunch of cruft from //build.

build/gyp_chromium.py

Index: build/gyp_chromium.py
diff --git a/build/gyp_chromium.py b/build/gyp_chromium.py
deleted file mode 100644
index f9e8ac8ed83f922bbf9385ccbe1b05bbc88d6171..0000000000000000000000000000000000000000
--- a/build/gyp_chromium.py
+++ /dev/null
@@ -1,18 +0,0 @@
-# Copyright 2012 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.
-
-# This file is (possibly, depending on python version) imported by
-# gyp_chromium when GYP_PARALLEL=1 and it creates sub-processes
-# through the multiprocessing library.
-
-# Importing in Python 2.6 (fixed in 2.7) on Windows doesn't search for
-# imports that don't end in .py (and aren't directories with an
-# __init__.py). This wrapper makes "import gyp_chromium" work with
-# those old versions and makes it possible to execute gyp_chromium.py
-# directly on Windows where the extension is useful.
-
-import os
-
-path = os.path.abspath(os.path.split(__file__)[0])
-execfile(os.path.join(path, 'gyp_chromium'))