bundle_firmware: Drop the yaml_data

The need for this is gone and so is this code.

BUG=chromium:595715
BRANCH=none
TEST=emerge-kevin chromeos-bootimage; see that it still completes

Change-Id: Id7e130412754b1e37808f84cde64a5f304fcc0b6
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/344802
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/host/lib/bundle_firmware.py b/host/lib/bundle_firmware.py
index 10820a0..580f34d 100644
--- a/host/lib/bundle_firmware.py
+++ b/host/lib/bundle_firmware.py
@@ -29,32 +29,6 @@
 from tools import CmdError
 from exynos import ExynosBl2
 
-# This data is required by bmpblk_utility. Does it ever change?
-# It was stored with the chromeos-bootimage ebuild, but we want
-# this utility to work outside the chroot.
-yaml_data = '''
-bmpblock: 1.0
-
-images:
-    devmode:    DeveloperBmp/DeveloperBmp.bmp
-    recovery:   RecoveryBmp/RecoveryBmp.bmp
-    rec_yuck:   RecoveryNoOSBmp/RecoveryNoOSBmp.bmp
-    rec_insert: RecoveryMissingOSBmp/RecoveryMissingOSBmp.bmp
-
-screens:
-  dev_en:
-    - [0, 0, devmode]
-  rec_en:
-    - [0, 0, recovery]
-  yuck_en:
-    - [0, 0, rec_yuck]
-  ins_en:
-    - [0, 0, rec_insert]
-
-localizations:
-  - [ dev_en, rec_en, yuck_en, ins_en ]
-'''
-
 # Build GBB flags.
 # (src/platform/vboot_reference/firmware/include/gbb_header.h)
 gbb_flag_properties = {