image_signing: remove unpack_firmwarefd.sh script

Looks like an old script from Mario.  Won't run on modern chromebooks
anyway.

Not installed on any devices.

BUG=chromium:1084003,chromium:1085310
BRANCH=none
TEST=emerge vboot_reference

Signed-off-by: Jack Rosenthal <jrosenth@chromium.org>
Change-Id: I4b68183bc9bc943f273630cf12c52801a74df5be
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2210762
Reviewed-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
diff --git a/scripts/image_signing/unpack_firmwarefd.sh b/scripts/image_signing/unpack_firmwarefd.sh
deleted file mode 100755
index bf8df6a..0000000
--- a/scripts/image_signing/unpack_firmwarefd.sh
+++ /dev/null
@@ -1,69 +0,0 @@
-#!/bin/bash
-
-# 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.
-
-# Script that unpacks a firmware image (in .fd format) into its component
-# pieces. Only outputs firmware A and B data, vblocks and the GBB.
-
-# The mosys tool must be in the system path.
-
-# Abort on error
-set -e
-
-# Check arguments
-if [ $# -ne 1 ] ; then
-  echo "Usage: $0 src_fd"
-  echo "Outputs firmware.gbb, firmware[A|B].[data|vblock]"
-  exit 1
-fi
-
-# Make sure the tools we need are available.
-type -P mosys &>/dev/null || \
-  { echo "mosys tool not found."; exit 1; }
-
-src_fd=$1
-
-# Grab GBB Area offset and size
-match_str="GBB Area"
-line=$(mosys -f -k eeprom map $1 | grep "$match_str")
-offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')"
-let gbb_offset="$offset"
-size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')"
-let gbb_size="$size"
-
-# Grab Firmware A and B offset and size
-for i in "A" "B"
-do
-  match_str="$i Key"
-  line=$(mosys -f -k eeprom map $1 | grep "$match_str")
-  offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')"
-  eval let \
-    fw${i}_vblock_offset="$offset"
-  size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')"
-  eval let \
-    fw${i}_vblock_size="$size"
-
-  match_str="$i Data"
-  line=$(mosys -f -k eeprom map $1 | grep "$match_str")
-  offset="$(echo $line | sed -e 's/.*area_offset=\"\([a-f0-9x]*\)\".*/\1/')"
-  eval let \
-    fw${i}_offset="$offset"
-  size="$(echo $line | sed -e 's/.*area_size=\"\([a-f0-9x]*\)\".*/\1/')"
-  eval let \
-    fw${i}_size="$size"
-done
-
-echo "Extracting GBB"
-dd if="${src_fd}" of="firmware.gbb" skip="${gbb_offset}" bs=1 \
-  count="${gbb_size}"
-echo "Extracting Firmware data and vblock(s)"
-dd if="${src_fd}" of="firmwareA.data" skip="${fwA_offset}" bs=1 \
-  count="${fwA_size}"
-dd if="${src_fd}" of="firmwareA.vblock" skip="${fwA_vblock_offset}" bs=1 \
-  count="${fwA_vblock_size}"
-dd if="${src_fd}" of="firmwareB.data" skip="${fwB_offset}" bs=1 \
-  count="${fwB_size}"
-dd if="${src_fd}" of="firmwareB.vblock" skip="${fwB_vblock_offset}" bs=1 \
-  count="${fwB_vblock_size}"