btrfs: cleanup, remove inode_item_info helper

It's only a simple wrapper around btrfs_find_item, the locally defined
key is not used.

Signed-off-by: David Sterba <dsterba@suse.cz>
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 9e1569f..4846f66 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -530,7 +530,11 @@
 		goto err;
 	}
 
-	ret = inode_item_info(inum, 0, local_root, swarn->path);
+	/*
+	 * this makes the path point to (inum INODE_ITEM ioff)
+	 */
+	ret = btrfs_find_item(local_root, swarn->path, inum, 0,
+			BTRFS_INODE_ITEM_KEY, NULL);
 	if (ret) {
 		btrfs_release_path(swarn->path);
 		goto err;