xfs: remove XFS_INO64_OFFSET

Commit a19d9f887d81106d52cacbc9930207b487e07e0e removed the
ino64 option but left the XFS_INO64_OFFSET define it used
in place - just remove it.

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
diff --git a/fs/xfs/xfs_inum.h b/fs/xfs/xfs_inum.h
index 7a28191..b8e4ee4 100644
--- a/fs/xfs/xfs_inum.h
+++ b/fs/xfs/xfs_inum.h
@@ -72,7 +72,6 @@
 
 #if XFS_BIG_INUMS
 #define	XFS_MAXINUMBER		((xfs_ino_t)((1ULL << 56) - 1ULL))
-#define	XFS_INO64_OFFSET	((xfs_ino_t)(1ULL << 32))
 #else
 #define	XFS_MAXINUMBER		((xfs_ino_t)((1ULL << 32) - 1ULL))
 #endif