Nuke Profiler.setRecordingProfile protocol message

This is send only in response to start/stop commands sent on the front-end so it doesn't make sense to repeat the same to the front-end.

BUG=324769
R=alph@chromium.org

Review URL: https://codereview.chromium.org/106353002

git-svn-id: svn://svn.chromium.org/blink/trunk@163243 bbb929c8-8fbe-4397-9dbb-9b2b20218538