Remove ftirelo@ from chrome_cleaner's watchlist

Change-Id: Ic0858a6106dc3c3b00cfa092b649bb14b83b3e4d
Reviewed-on: https://chromium-review.googlesource.com/1163641
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580885}

WATCHLISTS

@@ -1996,7 +1996,6 @@
                                  'martijn+crwatch@martijnc.be',
                                  'rsleevi+watch@chromium.org'],
     'chrome_cleaner': ['csharp+watch@chromium.org',
-                       'ftirelo+watch@chromium.org',
                        'joenotcharles+watch@chromium.org'],
     'chrome_elf': ['caitkp+watch@chromium.org'],
     'chrome_grc': ['chrome-grc-reviews@chromium.org'],