doc/zh_CN: remove submitting-driver reference from docs

The doc is removed, so related reference should be removed too.

Signed-off-by: Alex Shi <alexs@kernel.org>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: Hu Haowen <src.res@email.cn>
Link: https://lore.kernel.org/r/20220714054013.214031-1-alexs@kernel.org


Signed-off-by: Jonathan Corbet <corbet@lwn.net>