f2fs: remove obsolete code

This patch removes obsolete code in which summary variable is not needed.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 188a034..b2a92d4 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -407,8 +407,6 @@
 		dn.ofs_in_node++;
 	}
 
-	/* write node page in place */
-	set_summary(&sum, dn.nid, 0, 0);
 	if (IS_INODE(dn.node_page))
 		sync_inode_page(&dn);