OWNERS: update

It's been quite some time since I've helped maintain skeleton in any
meaningful way, and I don't intend to going forward, so it is time to
drop my name from the list.

I'm happy to help debug, provide historical insight or help out in some
other way; however, and will try to make the time if anyone reaches out.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I06e151f746bd0f50434bb5e770048cdf49bdd1e0
diff --git a/OWNERS b/OWNERS
index f14fed1..f9c6374 100644
--- a/OWNERS
+++ b/OWNERS
@@ -32,18 +32,13 @@
 # data within them will be kept sorted.
 
 owners:
-- bradleyb@fuzziesquirrel.com
 - joel@jms.id.au
 
 reviewers:
-- bradleyb@fuzziesquirrel.com
 
 matchers:
 
 openbmc:
-- name: Brad Bishop
-  email: bradleyb@fuzziesquirrel.com
-  discord: radsquirrel
 - name: Joel Stanley
   email: joel@jms.id.au
   discord: joel