tree: Drop unused <delay.h>

Change-Id: I265e427254ce9f735e65b0631c43f98bc778a34f
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81812
Reviewed-by: Jonathon Hall <jonathon.hall@puri.sm>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>
Reviewed-by: Yidi Lin <yidilin@google.com>

src/northbridge/intel/gm45/thermal.c

@@ -4,7 +4,6 @@
 #include <device/pci_def.h>
 #include <spd.h>
 
-#include "delay.h"
 #include "gm45.h"
 
 void raminit_thermal(const sysinfo_t *sysinfo)

src/northbridge/intel/haswell/native_raminit/raminit_main.c

@@ -3,7 +3,6 @@
 #include <assert.h>
 #include <console/console.h>
 #include <cpu/intel/haswell/haswell.h>
-#include <delay.h>
 #include <device/pci_ops.h>
 #include <northbridge/intel/haswell/chip.h>
 #include <northbridge/intel/haswell/haswell.h>

src/northbridge/intel/haswell/native_raminit/raminit_native.c

@@ -6,7 +6,6 @@
 #include <cf9_reset.h>
 #include <console/console.h>
 #include <cpu/x86/msr.h>
-#include <delay.h>
 #include <device/pci_ops.h>
 #include <mrc_cache.h>
 #include <northbridge/intel/haswell/haswell.h>