meta-aspeed: OWNERS: update

It's been quite some time since I've helped to maintain the ASpeed
bitbake metadata, so it is time to remove myself from the list.  Thanks
to Joel for stepping in to fill that void long ago.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I12dd9590bde4144a69b89e03fc7a06a76d1ab495
diff --git a/meta-aspeed/OWNERS b/meta-aspeed/OWNERS
index 4423bd4..37f0a2f9 100644
--- a/meta-aspeed/OWNERS
+++ b/meta-aspeed/OWNERS
@@ -1,5 +1,4 @@
 owners:
-- bradleyb@fuzziesquirrel.com
 - joel@jms.id.au
 
 matchers: