[gnomemm-website] Download: Remove (broken) link to dot graph of dependencies.

[Murray Cumming <murrayc src gnome org>]

commit 051d84463caf00eeb09b8d493c2658e9402bac58
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Mar 10 10:45:44 2015 +0100

    Download: Remove (broken) link to dot graph of dependencies.
    
    Because it isn't very useful. It doesn't distinguish between  build
    dependencies and runtime dependencies and it doesn't help
    to understand the various possible backend dependencies.

 docs/C/download.xml |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/docs/C/download.xml b/docs/C/download.xml
index f4b6d33..09aa2f2 100644
--- a/docs/C/download.xml
+++ b/docs/C/download.xml
@@ -78,7 +78,6 @@ operating system unless you wish to test the latest versions. However, <ulink ur
               <para><ulink url="http://libsigc.sourceforge.net";>libsigc++</ulink></para>
             </listitem>
           </itemizedlist></para>
-        <para>Here is a dependency graphs for <ulink url="jhbuild_dot_gtkmm.png">gtkmm</ulink>, generated 
automatically with jhbuild and graphviz.</para>
       </sect2>
       <sect2>
         <title>GTK+</title>