binaryPI: Drop BINARYPI_LEGACY_WRAPPER support

Drop all the sources that were guarded with this.

Change-Id: I6c6fd19875cb57f0caf42a1a94f59efed83bfe0d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/19275
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>

src/include/cpu/amd/car.h

@@ -8,6 +8,5 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx);
 void asmlinkage early_all_cores(void);
 
 void *asmlinkage romstage_main(unsigned long bist);
-void asmlinkage romstage_after_car(void);
 
 #endif