lib/fw_config: Remove redundant stdbool and stdint

<types.h> already includes <stdbool.h> and <stdint.h>

Change-Id: Ie8676769127d21a3b4693ed947a7231b94e99241
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79911
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

src/lib/fw_config.c

@@ -9,8 +9,6 @@
 #include <fw_config.h>
 #include <inttypes.h>
 #include <lib.h>
-#include <stdbool.h>
-#include <stdint.h>
 #include <drivers/vpd/vpd.h>
 
 uint64_t fw_config_get(void)