iommu: remove DOMAIN_ATTR_GEOMETRY

The geometry information can be trivially queried from the iommu_domain
struture.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Li Yang <leoyang.li@nxp.com>
Link: https://lore.kernel.org/r/20210401155256.298656-16-hch@lst.de


Signed-off-by: Joerg Roedel <jroedel@suse.de>