Remove myself from some high traffic watchlists.

Remove myself from:
- media_remoting
- tab_capture

TBR=miu@chromium.org

Change-Id: I259e709b1ce00f01cfdeecc177fb0d34f1fd4db5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1941052Reviewed-by: mark a. foltz <mfoltz@chromium.org>
Commit-Queue: mark a. foltz <mfoltz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#719787}

WATCHLISTS

@@ -2473,7 +2473,6 @@
     'media_recorder': ['emircan+watch+mediarecorder@chromium.org',
                        'mcasas+mediarecorder@chromium.org'],
     'media_remoting': ['erickung+watch@chromium.org',
-                       'mfoltz+watch@chromium.org',
                        'miu+watch@chromium.org',
                        'pthatcher+watch@chromium.org'],
     'media_router': ['mfoltz+watch@chromium.org',
@@ -2654,7 +2653,6 @@
                'nhiroki@chromium.org'],
     'tab_alert_indicators': ['miu+watch@chromium.org'],
     'tab_capture': ['miu+watch@chromium.org',
-                    'mfoltz+watch@chromium.org',
                     'pthatcher+watch@chromium.org'],
     'tab_contents': ['ajwong+watch@chromium.org',
                      'avi@chromium.org',