Remove old tools used by gyp build

build/detect_nacl_host_arch.py

Index: build/detect_nacl_host_arch.py
diff --git a/build/detect_nacl_host_arch.py b/build/detect_nacl_host_arch.py
deleted file mode 100755
index 9465caf5563aa1c3634ae0ca1742d428b621a2e9..0000000000000000000000000000000000000000
--- a/build/detect_nacl_host_arch.py
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2014 The Native Client Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Outputs host CPU architecture in format recognized by gyp."""
-
-import platform
-import re
-import sys
-
-
-def main():
-  print DoMain([])
-  return 0
-
-def DoMain(_):
-  """Hook to be called from gyp without starting a separate python
-  interpreter."""
-  host_arch = platform.machine()
-
-  # Convert machine type to format recognized by gyp.
-  if re.match(r'i.86', host_arch) or host_arch == 'i86pc':
-    host_arch = 'ia32'
-  elif host_arch in ['x86_64', 'amd64']:
-    host_arch = 'x64'
-  elif host_arch.startswith('arm'):
-    host_arch = 'arm'
-
-  # platform.machine is based on running kernel. It's possible to use 64-bit
-  # kernel with 32-bit userland, e.g. to give linker slightly more memory.
-  # Distinguish between different userland bitness by querying
-  # the python binary.
-  if host_arch == 'x64' and platform.architecture()[0] == '32bit':
-    host_arch = 'ia32'
-
-  return host_arch
-
-if __name__ == '__main__':
-  sys.exit(main())