Remove setuptools from image

Also remove setuptools from packaging run time dependency.

BUG=b/340935901
TEST=presubmit
RELEASE_NOTE=Removed dev-python/setuptools.

Change-Id: Ic498438ef3d8fdff35c0e0815b9f581d1c29f720
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/79779
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
5 files changed