ci_results_archiver: Update OWNERS.

Remove owner no longer on the team.

BUG=None
TEST=None

Change-Id: I7210a84cf6f4c01919a9f3a470afaae71eec9d28
diff --git a/OWNERS b/OWNERS
index 5c287f3..56d14a8 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,4 +1,3 @@
-akeshet@chromium.org
 jkop@chromium.org
 linxinan@chromium.org
 nya@chromium.org