[XFS] kill XFS_DINODE_VERSION_ defines

These names don't add any value at all over just using the numerical
values.

(First sent on October 9th)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 47e9428..16eda31 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -321,9 +321,9 @@
 	 * able to use the file system.
 	 */
 	if (xfs_sb_version_hasnlink(&args.mp->m_sb))
-		version = XFS_DINODE_VERSION_2;
+		version = 2;
 	else
-		version = XFS_DINODE_VERSION_1;
+		version = 1;
 
 	/*
 	 * Seed the new inode cluster with a random generation number. This