test_analyzer: Update OWNERS.

Remove owner no longer on the team.

Exempt-From-Owner-Approval: No active owner on Chrome OS team.
BUG=None
TEST=None

Change-Id: Id22dd43a2b2bb4940d8d26ec11d06263f148fa6b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/test_analyzer/+/2064463
Commit-Queue: Kirtika Ruchandani <kirtika@chromium.org>
Tested-by: Kirtika Ruchandani <kirtika@chromium.org>
Reviewed-by: Sean Abraham <seanabraham@chromium.org>
Reviewed-by: Jason Clinton <jclinton@chromium.org>
Auto-Submit: Kirtika Ruchandani <kirtika@chromium.org>
diff --git a/OWNERS b/OWNERS
index 4c20005..3d2a05c 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,2 +1 @@
 jclinton@chromium.org
-akeshet@chromium.org