drop unused python packages

Nothing in the tree uses these anymore, so punt them to simplify.

BUG=chromium:1007152
TEST=CQ passes

Change-Id: I5674ecbc2d775ab5bca9a0a83b2cd9ac1957444e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2595603
Tested-by: Mike Frysinger <vapier@chromium.org>
Auto-Submit: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Commit-Queue: Keith Haddow <haddowk@chromium.org>
14 files changed