[gnote] Remove incorrectly placed <desc> to pass "yelp-check validate"

[Andre Klapper <aklapper src gnome org>]

commit f0df08f76a91ba485b448f2433cc8147906c1c88
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Sep 7 18:06:24 2019 +0200

    Remove incorrectly placed <desc> to pass "yelp-check validate"
    
    <desc> elements must be in the <info> element or a block element
    as per spec: http://projectmallard.org/1.1/mal_info_desc.html

 help/C/gnote-addin-tableofcontents.page | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/help/C/gnote-addin-tableofcontents.page b/help/C/gnote-addin-tableofcontents.page
index fb6bcb4d..ef9637e5 100644
--- a/help/C/gnote-addin-tableofcontents.page
+++ b/help/C/gnote-addin-tableofcontents.page
@@ -82,8 +82,6 @@
 
 <title>Adding a Table of Contents</title>
 
-<desc><em>Navigate long structured notes</em></desc>
-
 <note><p>
   This is a plugin to <app>Gnotes</app>.
   When this plugin is installed,