197e944092
This commit is to remove legacy upgrade code in update repo. After removal, the USM is used for platform upgrade. Test Plan: PASS: build the iso PASS: deploy iso in SX PASS: deploy iso in DX Task: 50259 Story: 2010676 Change-Id: If2020a6f529ab478f4bd048fdf7c14e9bf462ed6 Signed-off-by: junfeng-li <junfeng.li@windriver.com>