Remove ch.dumez from web OWNERS
Remove ch.dumez from web OWNERS

Chris is no longer active in Blink.

NOTRY=true

Review URL: https://codereview.chromium.org/1185723007

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@197075 bbb929c8-8fbe-4397-9dbb-9b2b20218538

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk