Removing WebRtcNetEQ_GetVersion

We no longer use version functions.
This should resolve Coverity DefectId 14108

BUG=Coverity DefectId 14108
TEST=trybots, neteq_unittests, audio_coding_unittests, audio_coding_module_test

Review URL: https://webrtc-codereview.appspot.com/792004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2736 4adac7df-926f-26a2-2b94-8c16560cd09d
3 files changed