[PATCH v1 02/12] iommufd: Drop unused ictx in struct iommufd_vdevice

[Tian, Kevin]

> From: Nicolin Chen <nicolinc at nvidia.com>
> Sent: Tuesday, June 10, 2025 1:13 AM
> 
> The core code can always get the ictx pointer via vdev->viommu->ictx, thus
> drop this unused one.
> 
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>

Reviewed-by: Kevin Tian <kevin.tian at intel.com>