The function is not used; removing. BUG=webrtc:8111 NOPRESUBMIT=True Change-Id: Ifd8e4d872e11ffad4bfa178e0ca001470e439043 Reviewed-on: https://webrtc-review.googlesource.com/1234 Commit-Queue: Elad Alon <eladalon@webrtc.org> Reviewed-by: Björn Terelius <terelius@webrtc.org> Reviewed-by: Elad Alon <eladalon@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19864}