MAINTAINERS: Update email addresses for Chrysostomos Nanakos

Remove first email address and let the one from which I am contributing.

Signed-off-by: Chrysostomos Nanakos <chris@include.gr>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 29c6834..cd7b04f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1105,7 +1105,6 @@
 F: block/ssh.c
 
 ARCHIPELAGO
-M: Chrysostomos Nanakos <cnanakos@grnet.gr>
 M: Chrysostomos Nanakos <chris@include.gr>
 S: Maintained
 F: block/archipelago.c