mkfs.f2fs: fix bad assignment of total_sectors for f2fs_configuration

wanted_total_sectors is introduced instead total_sectors,
so that, the initialize is a fault, drop it.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
index db1dc94..5bb1faf 100644
--- a/mkfs/f2fs_format_main.c
+++ b/mkfs/f2fs_format_main.c
@@ -151,9 +151,6 @@
 		c.wanted_total_sectors = atoll(argv[optind+1]);
 	}
 
-	if ((optind + 1) < argc)
-		c.total_sectors = atoll(argv[optind+1]);
-
 	if (c.zoned_mode)
 		c.feature |= cpu_to_le32(F2FS_FEATURE_BLKZONED);
 }