Removed sync packet support from NetEq.

webrtc/modules/audio_coding/neteq/packet_buffer.cc

Index: webrtc/modules/audio_coding/neteq/packet_buffer.cc
diff --git a/webrtc/modules/audio_coding/neteq/packet_buffer.cc b/webrtc/modules/audio_coding/neteq/packet_buffer.cc
index ba469a6cd683f3d77ca05d8cd427f7cfaa66c88f..1c8713c48744e3d77b195ff24007d3d11e2a66e6 100644
--- a/webrtc/modules/audio_coding/neteq/packet_buffer.cc
+++ b/webrtc/modules/audio_coding/neteq/packet_buffer.cc
@@ -273,7 +273,7 @@ size_t PacketBuffer::NumSamplesInBuffer(DecoderDatabase* decoder_database,
     Packet* packet = (*it);
     AudioDecoder* decoder =
         decoder_database->GetDecoder(packet->header.payloadType);
-    if (decoder && !packet->sync_packet) {
+    if (decoder) {
       if (!packet->primary) {
         continue;
       }