Remove trailing .* from patterns in WATCHLISTS

As per the IMPORTANT comment at the top of the file.

BUG=none
NOTRY=true

Review URL: https://codereview.chromium.org/55733002

git-svn-id: svn://svn.chromium.org/blink/trunk@161154 bbb929c8-8fbe-4397-9dbb-9b2b20218538