Remove /mnt/partner_partition

chromeos_startup

 #!/bin/sh
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # The kernel mounts /proc and /sys during initialization, prior
 # to starting init.
 
 # Mount /tmp first, so that bootstat can record output right away.
@@ skipping 208 matching lines @@
 mount -n -t tmpfs -o nodev,noexec,nosuid media /media
 
 mount -n -t debugfs debugfs /sys/kernel/debug
 
 # Enable crash reporting for all future exec'd processes, even those that have
 # gone through setuid.
 echo 2 > /proc/sys/fs/suid_dumpable
 
 # NOTE: ensure that a rootdev has been found.
 if [ "$ROOTDEV_RET_CODE" = "0" ] ; then
-  # Mount OEM partner partition if OOBE has not yet been completed.
-  # Also create /tmp/machine-info.
   if [ ! -e /home/chronos/.oobe_completed ]; then
-    OEM_DEV=${ROOT_DEV%[0-9]*}8
-    mount -n -t ext3 "$OEM_DEV" -o nodev,noexec,nosuid /mnt/partner_partition
-
     # TODO(yjlou): We are developing a more generic hook mechanism (i.e.
     #              pre-OOBE-oem.sh), and will move this block to new hook point.
     #
     #              The activate_date script is installed in partner's board-
     #              specific private overlay. Hence the vpd utility dependency
     #              is described in private overlay, instead of chromeos-init.
     #
     # If the activate date script is executable (installed from the private
     # overlay), run it.
     if [ -x /usr/sbin/activate_date ]; then
@@ skipping 16 matching lines @@
 #
 ureadahead &
 
 # Some things freak out if no hostname is set.
 hostname localhost
 
 bootstat post-startup
 
 # Always return success to avoid killing init
 exit 0