Clean up owner list

Test: manual
Change-Id: I988dc97e3b8c7e10bfe834c740c0adc3ec0aa2f9
diff --git a/OWNERS b/OWNERS
index e5b26dc..16fc48c 100644
--- a/OWNERS
+++ b/OWNERS
@@ -12,8 +12,5 @@
 tmfang@google.com
 yantingyang@google.com
 
-# Emergency approvers in case the above are not available
-zhfan@google.com
-
 # Exempt resource files (because they are in a flat directory and too hard to manage via OWNERS)
 per-file *.xml=*