Check in tofactory script.

scripts/image_signing/make_dev_firmware.sh

Index: scripts/image_signing/make_dev_firmware.sh
diff --git a/scripts/image_signing/make_dev_firmware.sh b/scripts/image_signing/make_dev_firmware.sh
index f4e7d49d7052c013f91c1bbd371859119c7534ae..f432c0bdd90bf1013eb3f2f9421a8df9f035439f 100755
--- a/scripts/image_signing/make_dev_firmware.sh
+++ b/scripts/image_signing/make_dev_firmware.sh
@@ -26,7 +26,6 @@ DEFINE_boolean force_backup \
   $FLAGS_TRUE "Create backup even if source is not live" ""
 DEFINE_string backup_dir \
   "$DEFAULT_BACKUP_FOLDER" "Path of directory to store firmware backups" ""
-DEFINE_boolean debug $FLAGS_FALSE "Provide debug messages" "d"
 
 # Parse command line
 FLAGS "$@" || exit 1
@@ -44,23 +43,6 @@ EXEC_LOG="$(make_temp_file)"
 
 # Functions
 # ----------------------------------------------------------------------------
-# Reports error message and exit(1)
-err_die() {
-  echo "ERROR: $*" 1>&2
-  exit 1
-}
-
-# Returns true if we're running in debug mode
-is_debug_mode() {
-  [ "$FLAGS_debug" = $FLAGS_TRUE ]
-}
-
-# Prints messages (in parameters) in debug mode
-debug_msg() {
-  if is_debug_mode; then
-    echo "DEBUG: $*" 1>&2
-  fi
-}
 
 # Reads $IMAGE from $FLAGS_from
 read_image() {