Remove bouncing rwolff@ email address.

BUG=
R=kjellander@webrtc.org

Review URL: https://codereview.webrtc.org/1673633002 .

Cr-Commit-Position: refs/heads/master@{#11891}
diff --git a/WATCHLISTS b/WATCHLISTS
index d85f732..cf6caa2 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -98,8 +98,7 @@
                    'peah@webrtc.org',
                    'qiang.lu@intel.com',
                    'yujie.mao@webrtc.org'],
-    'documented_interfaces': ['interface-changes@webrtc.org',
-                              'rwolff@gocast.it'],
+    'documented_interfaces': ['interface-changes@webrtc.org'],
     'common_audio': ['aluebs@webrtc.org',
                      'andrew@webrtc.org',
                      'audio-team@agora.io',