vmstate: fix breakage by 7e72abc3

cirrus_post_load() will be executed twice when loading vm states and then the
wrong physical memory will be registered. This issue may lead to crash qemu.
Signed-off-by: NTeLeMan <geleman@gmail.com>
Acked-by: NJuan Quintela <quintela@redhat.com>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

hw/cirrus_vga.c

@@ -2985,7 +2985,6 @@ static const VMStateDescription vmstate_pci_cirrus_vga = {
     .version_id = 2,
     .minimum_version_id = 2,
     .minimum_version_id_old = 2,
-    .post_load = cirrus_post_load,
     .fields      = (VMStateField []) {
         VMSTATE_PCI_DEVICE(dev, PCICirrusVGAState),
         VMSTATE_STRUCT(cirrus_vga, PCICirrusVGAState, 0,