mb/lenovo/z61t/romstage: Remove unused include

This commit follows up on commit commit 89989cf6 with Change-Id:
I1f44ffeb54955ed660162a791c6281f292b1116a ("src: Drop unused include
<arch/acpi.h>").

Change-Id: I3dc12373b32b95d25ba7b302cbca5f927678315d
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33365
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/lenovo/z61t/romstage.c

@@ -24,7 +24,6 @@
 #include <device/pci_def.h>
 #include <device/pnp_def.h>
 #include <cpu/x86/lapic.h>
-#include <arch/acpi.h>
 #include <console/console.h>
 #include <cpu/x86/bist.h>
 #include <cpu/intel/romstage.h>