samples: configfs: don't reinitialize variables which are already zeroed

The structure containing the storeme field is allocated using kzalloc().
There's no need to set it to 0 again.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

samples/configfs/configfs_sample.c

@@ -192,8 +192,6 @@ static struct config_item *simple_children_make_item(struct config_group *group,
 	config_item_init_type_name(&simple_child->item, name,
 				   &simple_child_type);
 
-	simple_child->storeme = 0;
-
 	return &simple_child->item;
 }