dm: Remove unused dm_set_md_type

dm_set_md_type() has been unused since commit
ba30585936b0 ("dm: move setting md->type into dm_setup_md_queue")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Signed-off-by: Mikulas Patocka <[e-mail]>

drivers/md/dm.c

···
 	mutex_unlock(&md->type_lock);
 }
 
-void dm_set_md_type(struct mapped_device *md, enum dm_queue_mode type)
-{
-	BUG_ON(!mutex_is_locked(&md->type_lock));
-	md->type = type;
-}
-
 enum dm_queue_mode dm_get_md_type(struct mapped_device *md)
 {
 	return md->type;

drivers/md/dm.h

···
 
 void dm_lock_md_type(struct mapped_device *md);
 void dm_unlock_md_type(struct mapped_device *md);
-void dm_set_md_type(struct mapped_device *md, enum dm_queue_mode type);
 enum dm_queue_mode dm_get_md_type(struct mapped_device *md);
 struct target_type *dm_get_immutable_target_type(struct mapped_device *md);