[4.0] 3900cc1 Remove comment which breaks markup

[Lasse Karstensen]

commit 3900cc1aec0c06bf757ead9667dbe87d837cb47d
Author: Andreas Plesner <apj at mutt.dk>
Date:   Tue Jun 24 12:56:42 2014 +0200

    Remove comment which breaks markup

diff --git a/doc/sphinx/installation/help.rst b/doc/sphinx/installation/help.rst
index 897324a..2d04c5f 100644
--- a/doc/sphinx/installation/help.rst
+++ b/doc/sphinx/installation/help.rst
@@ -92,8 +92,6 @@ The following companies offer commercial Varnish support, and are listed
 here for your convenience.  If you want your company listed here, drop
 an email to phk at FreeBSD.org.
 
-.. XXX: Should we perhaps enhance this to explain Varnish Plus? benc
-
 	Varnish Software
 	sales at varnish-software.com