Delete some unused AudioCodingModule methods
Methods deleted:
ReceiveFrequency, PlayoutFrequency, ReceiveCodec,
SetMinimumPlayoutDelay, SetMaximumPlayoutDelay,
SetBaseMinimumPlayoutDelayMs, GetBaseMinimumPlayoutDelayMs,
PlayoutTimestamp, FilteredCurrentDelayMs, TargetDelayMs.
Became unused with cl
https://webrtc-review.googlesource.com/c/src/+/111504
Bug: None
Change-Id: Ie50e8e86a622661c3daa9db83a2e66489dcd2d98
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/148071
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28918}