This file is a leftover of cns3xxx target which has been dropped
in commit a9790dff53 ("cns3xxx: drop target").
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/19191
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>