From: Jason Gunthorpe <jgg@xxxxxxxxxx>
Now that all mdev drivers directly create their own mdev_device driver and
directly register with the vfio core's vfio_device_ops this is all dead
code.
Delete vfio_mdev.c and the mdev_parent_ops members that are connected to
it.
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>