pybootd: drop unused package

Nothing seems to depend on this anymore, and it's Python 2-only.

BUG=chromium:1007152
TEST=CQ passes

Change-Id: I7846c0489dfe540ee33a6936c611bc19825d25c4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2580549
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Stimim Chen <stimim@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
5 files changed