Revert "Add eclass which overrides existing portage mechanisms for UID/GID management."

This reverts commit 2dfab5affb850a45139e1c556663197a721ea188.

Missing symlinks during dev_install from release images are causing
build failures.

BUG=chromium:338085

Change-Id: I954ce836715b068bdb52aa76e9c67b7279cda2ff
Reviewed-on: https://chromium-review.googlesource.com/183980
Reviewed-by: Katie Roberts-Hoffman <katierh@chromium.org>
Commit-Queue: Katie Roberts-Hoffman <katierh@chromium.org>
Tested-by: Katie Roberts-Hoffman <katierh@chromium.org>
141 files changed
tree: b2048d8157847eb32466da0cc7f7073c9e96b2ec
  1. metadata/
  2. profiles/