Remove files accidentally added in https://codereview.chromium.org/2138303002

animation-playbackRate.html~362094f2f56a0a4152c3399f032312f93990c256 is a merge conflict marker.

animationtimeline-consistent.html was deleted in http://crrev.com/2137403002 and became animation-playbackRate.html.

BUG=623437

Review-Url: https://codereview.chromium.org/2145893002
Cr-Commit-Position: refs/heads/master@{#405067}
2 files changed