Remove -expected.html entries from TestExpectations

These were inadvertently added and are no-ops (except they make text
autosizing look bad on Ojan's layouttest report!)

TBR=skobes

Review URL: https://codereview.chromium.org/100383004

git-svn-id: svn://svn.chromium.org/blink/trunk@163057 bbb929c8-8fbe-4397-9dbb-9b2b20218538