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/mainboard/amd/db-ft3b-lc/OemCustomize.c

@@ -14,7 +14,6 @@
  */
 
 #include <AGESA.h>
-#include <northbridge/amd/pi/agesawrapper.h>
 #include <PlatformMemoryConfiguration.h>