[at-spi2-core] Update MAINTAINERS

[Mike Gorse <mgorse src gnome org>]

commit 15140f5a10127ef50c73230b395991efb9ab3219
Author: Mike Gorse <mgorse suse com>
Date:   Sun Aug 27 14:23:38 2017 -0500

    Update MAINTAINERS
    
    Email address for me was old, and Li and Mark haven't been involved
    for several years now.

 MAINTAINERS |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/MAINTAINERS b/MAINTAINERS
index 96801fc..34024c3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1,4 +1 @@
-
-Mike Gorse <mgorse novell com>
-Li Yuan <lee yuan oracle com>
-Mark Doffman <mark doffman codethink co uk>
+Mike Gorse <mgorse suse com>