Remove some disabled tests in WebRtcVideoEngine2.

Removes some tests that shouldn't have to be implemented or have already
been through other tests.

R=stefan@webrtc.org
BUG=1788

Review URL: https://webrtc-codereview.appspot.com/25929004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/talk@7495 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed