OWNERS: Remove Michael Walsh

Michael Walsh is no longer working on the project, remove him as a
maintainer.

Change-Id: Ie6f0b7fc78f0cbce1d54f0920cf4a2900bb29179
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/OWNERS b/OWNERS
index cfe4ea1..05b22f1 100644
--- a/OWNERS
+++ b/OWNERS
@@ -33,7 +33,6 @@
 
 owners:
 - gkeishin@in.ibm.com
-- micwalsh@us.ibm.com
 
 reviewers:
 - adathatr@in.ibm.com
@@ -44,7 +43,5 @@
 - name: George Keishing
   email: gkeishin@in.ibm.com
   discord: gkeishin
-- name: Michael Walsh
-  email: micwalsh@us.ibm.com
 - name: Anusha Dathatri
   email: adathatr@in.ibm.com