Removed perkj@ from video WATCHLIST

TBR=mflodman@webrtc.org
NOTRY=true
BUG=none

Review URL: https://codereview.webrtc.org/2286203003 .

Cr-Commit-Position: refs/heads/master@{#14680}
diff --git a/WATCHLISTS b/WATCHLISTS
index f229c3e..36ebf88 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -118,7 +118,6 @@
              'stefan@webrtc.org'],
     'media': ['solenberg@webrtc.org'],
     'video': ['mflodman@webrtc.org',
-              'perkj@webrtc.org',
               'stefan@webrtc.org',
               'video-team@agora.io',
               'yujie.mao@webrtc.org',