GitLab

Remove unnecessary pixel expectations (platform/win)

The pixel expectations existed when the tests were pixel tests but now the
tests are text-only tests.

TBR=dpranke@chromium.org

Review URL: https://codereview.chromium.org/457443002

git-svn-id: svn://svn.chromium.org/blink/trunk@179859 bbb929c8-8fbe-4397-9dbb-9b2b20218538