net: hisilicon: hns: Remove unused hns_dsaf_roce_reset

hns_dsaf_roce_reset() has been unused since 2021's
commit 38d22088 ("RDMA/hns: Remove support for HIP06")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Jijie <Shao&lt;shaojijie@huawei.com>
Link: https://patch.msgid.link/20241218163341.40297-2-linux@treblig.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>