Remove Chrome:scheuldeAnimation() logging

It creates too many noises.

BUG=393331
TEST=tree
TBR=kbr@chromium.org

Review URL: https://codereview.chromium.org/540743002

git-svn-id: svn://svn.chromium.org/blink/trunk@181361 bbb929c8-8fbe-4397-9dbb-9b2b20218538