blk-zoned: Minimize #include directives

Only include those header files that are necessary.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20241217210310.645966-2-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-zoned.c

@@ -11,12 +11,8 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/blkdev.h>
 #include <linux/blk-mq.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/sched/mm.h>
 #include <linux/spinlock.h>
 #include <linux/refcount.h>
 #include <linux/mempool.h>