northbridge: Remove useless include <device/pci_ids.h>

Change-Id: Ie221a142ed804988a05269d42904aba3ac79e0be
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/30202
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/northbridge/intel/x4x/acpi.c

@@ -22,7 +22,6 @@
 #include <arch/acpigen.h>
 #include <device/device.h>
 #include <device/pci.h>
-#include <device/pci_ids.h>
 #include "x4x.h"
 
 unsigned long acpi_fill_mcfg(unsigned long current)

src/northbridge/intel/x4x/northbridge.c

@@ -20,7 +20,6 @@
 #include <stdint.h>
 #include <device/device.h>
 #include <device/pci.h>
-#include <device/pci_ids.h>
 #include <stdlib.h>
 #include <string.h>
 #include <cpu/cpu.h>