zbar: upgraded package to upstream

Upgraded media-gfx/zbar to version 0.23.1 on amd64, arm.

Upgrade step :
1. Upgraded needed eclass file and affected pkgs.
2. Upgrade by command : `cros_portage_upgrade --upgrade --unstable-ok
--verbose --board=amd64-generic:arm-generic media-gfx/zbar`
3. Remove unused patches in files/.

BUG=b:154521931
TEST=cros deploy dut zbar --root=/usr/local and python3 can import zbar

Change-Id: Ia5bf14c5b8edd5df26c44bd74e0cb8da6afe9ca0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2169946
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Yilin Yang (kerker) <kerker@chromium.org>
Tested-by: Yilin Yang (kerker) <kerker@chromium.org>
15 files changed