* inherit stx-metadata to help install updated files
from stx 'config-files' repo
* remove do_copy_config_files since it's not
needed after using stx-metadata
* install the issue* files from sub-dir
centos-release-config
Story: 2008952
Task: 42576
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Change-Id: Ic9a847430fa00fedc1cc9f5ad5b0b4a910df844a