Delete unused method VCMReceiveStatisticsCallback::OnReceiveRatesUpdated

Only interesting call deleted in cl
https://codereview.webrtc.org/2704183002.

Move call to QualitySample (used for bad call detection) to
OnRenderedFrame

Bug: webrtc:7408
Change-Id: I0e9ae2ed62fe19a282377cb840e38bd2aae8f3e6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128768
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27243}

modules/video_coding/include/video_coding_defines.h

@@ -81,7 +81,6 @@ class VCMReceiveCallback {
 // rate.
 class VCMReceiveStatisticsCallback {
  public:
-  virtual void OnReceiveRatesUpdated(uint32_t bitRate, uint32_t frameRate) = 0;
   virtual void OnCompleteFrame(bool is_keyframe,
                                size_t size_bytes,
                                VideoContentType content_type) = 0;