[gnome-user-docs] Remove unused section from the index

[Ekaterina Gerasimova <egerasimov src gnome org>]

commit 100648c7f17bd50bc595a56d0e3e9e80a6d03227
Author: Ekaterina Gerasimova <kittykat3756 gmail com>
Date:   Wed Jun 18 14:25:22 2014 -0400

    Remove unused section from the index

 system-admin-guide/C/index.page |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/system-admin-guide/C/index.page b/system-admin-guide/C/index.page
index 313f137..1ad7e81 100644
--- a/system-admin-guide/C/index.page
+++ b/system-admin-guide/C/index.page
@@ -40,10 +40,6 @@
     <title>User settings</title>
   </section>
 
-  <section style="toronto" id="extension">
-    <title>GNOME Shell extensions</title>
-  </section>
-
   <section style="toronto" id="session">
     <title>Session management</title>
   </section>