Remove AudioEncoder methods SetMaxBitrate and SetMaxPayloadSize

webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h

Index: webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
diff --git a/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h b/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
index 5484395ad813e92f55384984f12aaca27f64c860..686b45a7420c9017aaa52bae83b7ac8a6af6cc3e 100644
--- a/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
+++ b/webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
@@ -67,8 +67,6 @@ class AudioEncoderIsacT final : public AudioEncoder {
                              size_t max_encoded_bytes,
                              uint8_t* encoded) override;
   void Reset() override;
-  void SetMaxPayloadSize(int max_payload_size_bytes) override;
-  void SetMaxBitrate(int max_rate_bps) override;
 
  private:
   // This value is taken from STREAM_SIZE_MAX_60 for iSAC float (60 ms) and