[gnome-user-docs] disk: Removed broken xref caused by stubbing

[Shaun McCance <shaunm src gnome org>]

commit cc690a99c7183a8c3121042c838c21dd5524980f
Author: Shaun McCance <shaunm gnome org>
Date:   Mon Mar 26 15:54:48 2012 -0400

    disk: Removed broken xref caused by stubbing

 gnome-help/C/disk.page |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gnome-help/C/disk.page b/gnome-help/C/disk.page
index 33fb932..05d444e 100644
--- a/gnome-help/C/disk.page
+++ b/gnome-help/C/disk.page
@@ -14,7 +14,10 @@
 
   <desc>
     <link xref="disk-capacity">Disk space</link>,
+<!--
+Page was stubbed out because feature disappeared
     <link xref="disk-benchmark">performance</link>,
+-->
     <link xref="disk-check">problems</link>,
     <link xref="disk-partitions">volumes and partitions</link>...
   </desc>