base/node: Remove duplicated include

Remove duplicated include of linux/hugetlb.h. Resolves checkincludes
message.

Signed-off-by: GUO Zihua <guozihua@huawei.com>
Link: https://lore.kernel.org/r/20230810120008.25297-1-guozihua@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: GUO Zihua

drivers/base/node.c

@@ -20,7 +20,6 @@
 #include <linux/pm_runtime.h>
 #include <linux/swap.h>
 #include <linux/slab.h>
-#include <linux/hugetlb.h>
 
 static struct bus_type node_subsys = {
 	.name = "node",