RDMA/hfi1: Fix typo in comment

Delete the redundant word 'and'.

Link: https://lore.kernel.org/r/20220606123419.29109-1-wangxiang@cdjrlc.com


Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>