[PATCH -next] crash_core: Remove duplicated include in crash_core.c

[Simon Horman]

On Fri, Sep 15, 2023 at 01:58:44PM +0800, Yang Li wrote:
> ./kernel/crash_core.c: linux/kexec.h is included more than once.
> 
> Signed-off-by: Yang Li <yang.lee at linux.alibaba.com>

FWIIW, this seems to have been added recently, by

926f75c8a5ab ("Add linux-next specific files for 20230920")

Reviewed-by: Simon Horman <horms at kernel.org>