Cleanup: Remove python_arch.sh that was used for pyauto.

BUG=224072

Review URL: https://codereview.chromium.org/251733006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@266823 0039d316-1c4b-4281-b951-d872f2087c98

build/linux/python_arch.sh

-#!/bin/sh
-# Copyright (c) 2011 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 figures out the architecture of the version of Python we are building
-# pyautolib against.
-#
-#  python_arch.sh /usr/lib/libpython2.5.so.1.0
-#  python_arch.sh /path/to/sysroot/usr/lib/libpython2.4.so.1.0
-#
-
-file_out=$(file --dereference "$1")
-# The POSIX spec says that `file` should not exit(1) if the file does not
-# exist, so do our own -e check to catch things.
-if [ $? -ne 0 ] || [ ! -e "$1" ] ; then
-  echo unknown
-  exit 0
-fi
-
-echo $file_out | grep -qs "ARM"
-if [ $? -eq 0 ]; then
-  echo arm
-  exit 0
-fi
-
-echo $file_out | grep -qs "MIPS"
-if [ $? -eq 0 ]; then
-  echo mipsel
-  exit 0
-fi
-
-echo $file_out | grep -qs "x86-64"
-if [ $? -eq 0 ]; then
-  echo x64
-  exit 0
-fi
-
-echo $file_out | grep -qs "Intel 80386"
-if [ $? -eq 0 ]; then
-  echo ia32
-  exit 0
-fi
-
-exit 1