src: Remove unused 'include <bootstate.h>'

Change-Id: I54eda3d51ecda77309841e598f06eb9cea3babc1
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41671
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/lib/cbmem_common.c

@@ -1,7 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <cbmem.h>
-#include <bootstate.h>
 #include <symbols.h>
 
 void cbmem_run_init_hooks(int is_recovery)