Remove zhihuang@webrtc.org from OWNERS

Bug: webrtc:10381
Change-Id: I7c3ff938b7ebb8d00ffa4dc1bd384722cf24e71c
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/140320
Reviewed-by: Zhi Huang <zhihuang@webrtc.org>
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28906}
diff --git a/pc/OWNERS b/pc/OWNERS
index 2fbcce9..5519686 100644
--- a/pc/OWNERS
+++ b/pc/OWNERS
@@ -7,7 +7,6 @@
 shampson@webrtc.org
 steveanton@webrtc.org
 tommi@webrtc.org
-zhihuang@webrtc.org
 
 # These are for the common case of adding or renaming files. If you're doing
 # structural changes, please get a review from a reviewer in this file.