[XFS] fix an out-of-date comment

SGI Modid: 2.5.x-xfs:slinx:135307a

fs/xfs/xfs_iget.c

@@ -246,9 +246,7 @@ xfs_iget_core(
 
 	/*
 	 * Read the disk inode attributes into a new inode structure and get
-	 * a new vnode for it.	Initialize the inode lock so we can idestroy
-	 * it soon if it's a dup.  This should also initialize i_ino, i_bno,
-	 * i_mount, and i_index.
+	 * a new vnode for it. This should also initialize i_ino and i_mount.
 	 */
 	error = xfs_iread(mp, tp, ino, &ip, bno);
 	if (error) {