shinano: move tether overlay to radio one

also remote config_sms_enabled_single_shift_tables which may be set only for
specific nation
https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/core/res/res/values-mcc286/config.xml

Change-Id: I366c7dbadd28d1e2e2609e22c018a5a9fb43ea63