Zach Stein d3be0171b0 Remove unused PacketLossEstimator class
These metrics were never hooked up to anything.

Bug: webrtc:7028
Change-Id: Id6fdf146de615839820f7ad3805eb42450c76c21
Reviewed-on: https://webrtc-review.googlesource.com/c/120303
Commit-Queue: Qingsi Wang <qingsi@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26451}
2019-01-29 19:03:24 +00:00
..
2019-01-29 19:03:24 +00:00