All readers of LPI configuration have been transitioned to use the LPI
xarray. Get rid of the linked-list altogether.
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240221054253.3848076-6-oliver.upton@linux.devSigned-off-by: Oliver Upton <oliver.upton@linux.dev>