Removing deprecated //api:libjingle_peerconnection.
Removing deprecated //api:libjingle_peerconnection.

Bug: webrtc:5883
Change-Id: I9bf2b5b0b00b8096d71d6d4923130c6e21c673e5
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/34420
Commit-Queue: Mirko Bonadei <d2c43c210eae6feef04f53bae50885e8152edcca@webrtc.org>
Reviewed-by: Patrik Höglund <b486136ee68458b09c92c86c39f451c87d6ef6a1@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#21356}
ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc