Remove unused stuff from AudioFrame:

webrtc/modules/audio_coding/neteq/sync_buffer.cc

Index: webrtc/modules/audio_coding/neteq/sync_buffer.cc
diff --git a/webrtc/modules/audio_coding/neteq/sync_buffer.cc b/webrtc/modules/audio_coding/neteq/sync_buffer.cc
index 543f78bdc4c4b85cfd761ab350f806ccdb9beef4..f841f754a8568bdd2dcd349d3619048b4d0ca964 100644
--- a/webrtc/modules/audio_coding/neteq/sync_buffer.cc
+++ b/webrtc/modules/audio_coding/neteq/sync_buffer.cc
@@ -79,7 +79,6 @@ void SyncBuffer::GetNextAudioInterleaved(size_t requested_len,
       ReadInterleavedFromIndex(next_index_, samples_to_read, output->data_);
   const size_t samples_read_per_channel = tot_samples_read / Channels();
   next_index_ += samples_read_per_channel;
-  output->interleaved_ = true;
   output->num_channels_ = Channels();
   output->samples_per_channel_ = samples_read_per_channel;
 }