RDMA/qedr: Remove a duplicate assignment in irdma_query_ah()

RDMA/qedr: Remove a duplicate assignment in irdma_query_ah()

[ Upstream commit 65e02e840847158c7ee48ca8e6e91062b0f78662 ]

Delete a duplicate statement from this function implementation.

Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Minjie Du <duminjie@vivo.com>
Acked-by: Alok Prasad <palok@marvell.com>
Link: https://lore.kernel.org/r/20230706022704.1260-1-duminjie@vivo.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>