[gupnp] Retire Ross as maintainer

[Jens Georg <jensgeorg src gnome org>]

commit 96173c07d489cb160bccddb36b9e6b88b4cd307d
Author: Jens Georg <mail jensge org>
Date:   Wed Mar 17 23:49:11 2021 +0100

    Retire Ross as maintainer
    
    Thanks for all the fish

 gupnp.doap | 7 -------
 1 file changed, 7 deletions(-)
---
diff --git a/gupnp.doap b/gupnp.doap
index a90aff3..d4ee669 100644
--- a/gupnp.doap
+++ b/gupnp.doap
@@ -28,13 +28,6 @@ level libraries utilizing the GUPnP framework.</description>
   <bug-database
   rdf:resource="https://gitlab.gnome.org/GNOME/gupnp/issues/"; />
 
-  <maintainer>
-    <foaf:Person>
-      <foaf:name>Ross Burton</foaf:name>
-      <foaf:mbox rdf:resource="mailto:ross burtonini com" />
-      <gnome:userid>rburton</gnome:userid>
-    </foaf:Person>
-  </maintainer>
   <maintainer>
     <foaf:Person>
       <foaf:name>Jens Georg</foaf:name>