Jobs [build_ch](https://gitlab.eclipse.org/eclipse/oniro-core/meta-openharmony/-/blob/kirkstone/.gitlab-ci.yml#L369), [mirror_ch](https://gitlab.eclipse.org/eclipse/oniro-core/meta-openharmony/-/blob/kirkstone/.gitlab-ci.yml#L285) from the meta-openharmony project have runner tags with `region.china` What do we do with these jobs? and the already declare runner?