remove SL_FS_BLKSIZE and SL_FS_FRGSIZE because we just use the value from the first IOS.
remove SL_FS_BLKSIZE and SL_FS_FRGSIZE because we just use the value
from the first IOS.

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable