Delete support for receiving RTCP RPSI and SLI messages.

webrtc/video/encoder_rtcp_feedback.cc

Index: webrtc/video/encoder_rtcp_feedback.cc
diff --git a/webrtc/video/encoder_rtcp_feedback.cc b/webrtc/video/encoder_rtcp_feedback.cc
index ec0ac1e928eea838c2d17b26cf55a531fc1fb550..b6f3fc920304a7a9fc9ef18f6b19c5422334965e 100644
--- a/webrtc/video/encoder_rtcp_feedback.cc
+++ b/webrtc/video/encoder_rtcp_feedback.cc
@@ -63,15 +63,4 @@ void EncoderRtcpFeedback::OnReceivedIntraFrameRequest(uint32_t ssrc) {
   vie_encoder_->OnReceivedIntraFrameRequest(index);
 }
 
-void EncoderRtcpFeedback::OnReceivedSLI(uint32_t ssrc, uint8_t picture_id) {
-  RTC_DCHECK(HasSsrc(ssrc));
-
-  vie_encoder_->OnReceivedSLI(picture_id);
-}
-
-void EncoderRtcpFeedback::OnReceivedRPSI(uint32_t ssrc, uint64_t picture_id) {
-  RTC_DCHECK(HasSsrc(ssrc));
-
-  vie_encoder_->OnReceivedRPSI(picture_id);
-}
 }  // namespace webrtc