Remove bad DCHECK added as part of https://codereview.webrtc.org/2452163004/

BUG=webrtc:4690
TBR=stefan@webrtc.org

Review-Url: https://codereview.webrtc.org/2668413005
Cr-Commit-Position: refs/heads/master@{#16415}
diff --git a/webrtc/video/video_receive_stream.cc b/webrtc/video/video_receive_stream.cc
index 25418c4..a409734 100644
--- a/webrtc/video/video_receive_stream.cc
+++ b/webrtc/video/video_receive_stream.cc
@@ -285,7 +285,6 @@
 
 bool VideoReceiveStream::OnRecoveredPacket(const uint8_t* packet,
                                            size_t length) {
-  RTC_DCHECK_RUN_ON(&worker_thread_checker_);
   return rtp_stream_receiver_.OnRecoveredPacket(packet, length);
 }