xfs: remove deprecated mount options

We recently removed deprecated sysctls; may as well
remove deprecated mount options as well, we've stated
that they'd be gone by now in the docs.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

Documentation/filesystems/xfs.txt

@@ -228,30 +228,19 @@ default behaviour.
 Deprecated Mount Options
 ========================
 
-  delaylog/nodelaylog
-	Delayed logging is the only logging method that XFS supports
-	now, so these mount options are now ignored.
+None at present.
 
-	Due for removal in 3.12.
 
-  ihashsize=value
-	In memory inode hashes have been removed, so this option has
-	no function as of August 2007. Option is deprecated.
+Removed Mount Options
+=====================
 
-	Due for removal in 3.12.
+  Name				Removed
+  ----				-------
+  delaylog/nodelaylog		v3.20
+  ihashsize			v3.20
+  irixsgid			v3.20
+  osyncisdsync/osyncisosync	v3.20
 
-  irixsgid
-	This behaviour is now controlled by a sysctl, so the mount
-	option is ignored.
-
-	Due for removal in 3.12.
-
-  osyncisdsync
-  osyncisosync
-	O_SYNC and O_DSYNC are fully supported, so there is no need
-	for these options any more.
-
-	Due for removal in 3.12.
 
 sysctls
 =======