net: hisilicon: hns: Remove unused enums

The enums dsaf_roce_port_mode, dsaf_roce_port_num and dsaf_roce_qos_sl
are unused after the removal of the reset code.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Jijie <Shao&lt;shaojijie@huawei.com>
Link: https://patch.msgid.link/20241218163341.40297-5-linux@treblig.org


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