Let barbican package create the user and group.
Test:
PASS: build-pkgs
PASS: build-image
PASS: install-iso
PASS: check user and group created by packaging
PASS: bootstrap
Depends-On: https://review.opendev.org/c/starlingx/upstream/+/836048
Story: 2009101
Task: 43417
Signed-off-by: Dan Voiculeasa <dan.voiculeasa@windriver.com>
Change-Id: Ie99844f5dd8db6b017db78e9a8e7880778380feb
2ca99db88a