Remove eugenebut from WATCHLIST

Bug: None
Change-Id: Iafce27f1bbb32ad70104f65e9ce42f0bfe586238
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2640577
Auto-Submit: Eugene But <eugenebut@chromium.org>
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845579}

WATCHLISTS

@@ -2570,8 +2570,7 @@
     'ios_flags': ['noyau+watch@chromium.org'],
     'ios_showcase': ['ios-reviews+showcase@chromium.org',
                      'marq+watch@chromium.org'],
-    'ios_web': ['ios-reviews+web@chromium.org',
-                'eugenebut@chromium.org'],
+    'ios_web': ['ios-reviews+web@chromium.org'],
     'ios_widget_kit': ['javierrobles+watch@chromium.org'],
     'language': ['language-reviews@chromium.org'],
     'libaom': ['fgalligan@chromium.org',