RDMA/hns: Remove unused parameters and variables

[ Upstream commit f4caa864 ]

Remove unused parameters and variables.

Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20240412091616.370789-3-huangjunxian6@hisilicon.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>
Stable-dep-of: 8673a6c2 ("RDMA/hns: Fix mapping error of zero-hop WQE buffer")
Signed-off-by: Sasha Levin <sashal@kernel.org>