Revert "autoboot: use default environment if debricking board"

This reverts commit ae5de28.

Revert this for now as it breaks other platforms that do not use
a sys_proto.h header.

Signed-off-by: Jon Nettleton <[email protected]>

Author: jnettlet

common/autoboot.c

@@ -14,8 +14,6 @@
 #include <post.h>
 #include <u-boot/sha256.h>
 #include <bootcount.h>
-#include <asm/arch/sys_proto.h>
-#include <environment.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -298,10 +296,6 @@ const char *bootdelay_process(void)
 
 	s = env_get("bootdelay");
 	bootdelay = s ? (int)simple_strtol(s, NULL, 10) : CONFIG_BOOTDELAY;
-	if (is_usb_boot()) {
-		bootdelay = 1;
-		set_default_env("!Started from usb", 0);
-	}
 
 #ifdef CONFIG_OF_CONTROL
 	bootdelay = fdtdec_get_config_int(gd->fdt_blob, "bootdelay",