Remove former team members from OWNERS and WATCHLISTS

Remove the following (CCed) former team members from all
OWNERS files and the WATCHLISTS file:
* fischman@
* leozwang@
* mikhal@
* pwestin@
* wu@

BUG=
R=henrike@webrtc.org, niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/22509004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6973 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/WATCHLISTS b/WATCHLISTS
index 8370469..9fba8ac 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -93,8 +93,7 @@
   'WATCHLISTS': {
     'this_file': [''],
     'all_webrtc': ['giles@mozilla.com',
-                   'tterriberry@mozilla.com',
-                   'leozwang@webrtc.org'],
+                   'tterriberry@mozilla.com'],
     'root_files': ['andrew@webrtc.org',
                    'niklas.enbom@webrtc.org',
                    'yujie.mao@webrtc.org',
@@ -103,7 +102,6 @@
                               'rwolff@gocast.it'],
     'common_audio': ['bjornv@webrtc.org',
                      'andrew@webrtc.org'],
-    'common_video': ['mikhal@webrtc.org'],
     'video_engine': ['andresp@webrtc.org',
                      'mflodman@webrtc.org',
                      'perkj@webrtc.org',
@@ -122,13 +120,10 @@
     'audio_processing': ['andrew@webrtc.org',
                          'bjornv@webrtc.org',
                          'kwiberg@webrtc.org'],
-    'video_codecs': ['henrik.lundin@webrtc.org',
-                     'pwestin@webrtc.org'],
+    'video_codecs': ['henrik.lundin@webrtc.org'],
     'video_coding': ['stefan@webrtc.org',
-                     'mikhal@webrtc.org',
                      'mflodman@webrtc.org'],
-    'video_processing': ['mikhal@webrtc.org',
-                         'stefan@webrtc.org'],
+    'video_processing': ['stefan@webrtc.org'],
     'bitrate_controller': ['stefan@webrtc.org',
                            'mflodman@webrtc.org'],
     'remote_bitrate_estimator': ['stefan@webrtc.org',
@@ -136,7 +131,6 @@
     'pacing': ['stefan@webrtc.org',
                'mflodman@webrtc.org'],
     'rtp_rtcp': ['mflodman@webrtc.org',
-                 'pwestin@webrtc.org',
                  'stefan@webrtc.org'],
     'system_wrappers': ['mflodman@webrtc.org',
                         'henrika@webrtc.org',