f2fs: clean up an unused parameter and assignment

This patch cleans up simple unnecessary codes.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index fb7e01e..087b03d 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -338,7 +338,7 @@
 	int err;
 
 	if (is_inode_flag_set(F2FS_I(inode), FI_NEW_INODE)) {
-		page = new_inode_page(inode, name);
+		page = new_inode_page(inode);
 		if (IS_ERR(page))
 			return page;