Remove CPU monitor from WebRtcVideoEngine2.

CPU adaptation is based on timings done inside webrtc, not actual CPU
values anymore. This code has never been wired up and is causing flakes
on at least valgrind, but possibly also on actual platforms.

BUG=1788
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/34089004

Cr-Commit-Position: refs/heads/master@{#8221}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8221 4adac7df-926f-26a2-2b94-8c16560cd09d
2 files changed