ppc/spapr: remove deprecated machine pseries-4.0

pseries-4.0 had been deprecated and due for removal now as per policy.
Also remove pre-4.1 migration hacks which were introduced for backward
compatibility.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
[PMD: Remove SpaprMachineClass::pre_4_1_migration field]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/qemu-devel/20251021084346.73671-9-philmd@linaro.org
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
3 files changed