Revert parts of "x86: update mptable"

Signed-off-by: Ingo Molnar <mingo@elte.hu>

drivers/acpi/pci_irq.c

@@ -570,11 +570,6 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
 	       (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
 	       (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
 
-#ifdef CONFIG_X86
-	mp_config_acpi_gsi(dev->bus->number, dev->devfn, dev->pin, irq,
-				 triggering, polarity);
-#endif
-
 	return 0;
 }