Remove deprecated method
Remove deprecated method

Bug: None
Change-Id: Ia390e05e3bb462e0e79bf3ff7fae6cba891e73ca
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/154262
Reviewed-by: Ilya Nikolaevskiy <76788ac3efd229e9d156135d9ceb7fef65c45da4@webrtc.org>
Commit-Queue: Johannes Kron <1b08081ed40e645cb73c476abf12190bd8e64c57@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#29285}

TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc