bmpblk: Remove bitmap_viewer utility

Remove the outdated bitmap_viewer and related Python files. Update
README accordingly.

BUG=none
TEST=emerge-puff chromeos-bmpblk

Change-Id: I16264f7b4cf27fc95345bca166852073a8585188
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/bmpblk/+/2251084
Tested-by: Yu-Ping Wu <yupingso@chromium.org>
Commit-Queue: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
6 files changed
tree: 349a5dd2ee68e488467723b5a66265e3029dcb67
  1. images/
  2. strings/
  3. .gitignore
  4. archive_images.py
  5. Makefile
  6. OWNERS
  7. README