RDMA/hns: Remove redundant print information

There are already necessary prints in outer function, prints in
hns_roce_function_clear() may confuse users. So these prints is removed.

Link: https://lore.kernel.org/r/1578313276-29080-6-git-send-email-liweihang@huawei.comSigned-off-by: NYixing Liu <liuyixing1@huawei.com>
Signed-off-by: NWeihang Li <liweihang@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -1248,7 +1248,6 @@ static void hns_roce_function_clear(struct hns_roce_dev *hr_dev)
 	}
 
 out:
-	dev_err(hr_dev->dev, "Func clear fail.\n");
 	hns_roce_func_clr_rst_prc(hr_dev, ret, fclr_write_fail_flag);
 }