Remove include_dirs from video_engine_core.gypi.

BUG=1662
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2181005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4707 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed