cpu/intel: Replace bsp_init_and_start_aps()

Change-Id: I7176efdd1000789a093a1b4e243b4b150e6bb06f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34864
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/cpu/intel/smm/gen1/smi.h

@@ -13,8 +13,6 @@
 
 #include <device/device.h>
 
-void bsp_init_and_start_aps(struct bus *cpu_bus);
-
 /* These helpers are for performing SMM relocation. */
 void southbridge_smm_init(void);
 u32 northbridge_get_tseg_base(void);