OWNERS: Remove Vishwa

Vishwa is no-longer actively contributing.

Change-Id: Idfa30887cf16f718f633631ff067bf97963a5343
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/OWNERS b/OWNERS
index 0fcab05..06a210c 100644
--- a/OWNERS
+++ b/OWNERS
@@ -33,7 +33,6 @@
 
 owners:
 - andrew@aj.id.au
-- vishwa@linux.vnet.ibm.com
 
 reviewers:
 - bradleyb@fuzziesquirrel.com
@@ -51,6 +50,3 @@
 - name: Matt Spinler
   email: spinler@us.ibm.com
   discord: mspinler
-- name: Vishwanatha Subbanna
-  email: vishwa@linux.vnet.ibm.com
-  discord: vishwa