Drop dougt+watch@chromium.org from accessibility WATCHLISTS

Bug: None
Change-Id: I990ea0ab11ed6476b8114b0d89663b05a6657616
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2533274Reviewed-by: Doug Turner <dougt@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: Doug Turner <dougt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826418}

WATCHLISTS

@@ -2084,7 +2084,6 @@
     'accessibility': ['aboxhall+watch@chromium.org',
                       'akihiroota@chromium.org',
                       'dmazzoni+watch@chromium.org',
-                      'dougt+watch@chromium.org',
                       'dtseng+watch@chromium.org',
                       'hirokisato+watch@chromium.org',
                       'je_julie.kim@chromium.org',
@@ -2198,7 +2197,6 @@
     'blink': ['blink-reviews@chromium.org'],
     'blink_accessibility': ['aboxhall@chromium.org',
                             'dmazzoni@chromium.org',
-                            'dougt+watch@chromium.org',
                             'je_julie.kim@chromium.org',
                             'kbabbitt@microsoft.com',
                             'nektar@chromium.org'],