smdk-dltool: drop unused package with bad license

This was added for devices that are now EOL.  It's using a license
we don't want anyone using, so drop it while we drop the license.

BUG=chromium:208325
TEST=CQ passes

Change-Id: I8c94f035bcddfa3809a1f2e30c1cafefefb74399
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2300559
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
8 files changed