Remove deprecated RtpRtcp::SetAudioPacketSize

webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
index 6aaea95796fceafe7fee5b442fa266c5574a1dd7..4b8159ce4b106f81ddbff05fd4525fc4c9f43f61 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
@@ -777,11 +777,6 @@ int32_t ModuleRtpRtcpImpl::SendTelephoneEventOutband(
   return rtp_sender_->SendTelephoneEvent(key, time_ms, level);
 }
 
-int32_t ModuleRtpRtcpImpl::SetAudioPacketSize(
-    const uint16_t packet_size_samples) {
-  return audio_ ? 0 : -1;
-}
-
 int32_t ModuleRtpRtcpImpl::SetAudioLevel(
     const uint8_t level_d_bov) {
   return rtp_sender_->SetAudioLevel(level_d_bov);