Remove QualityScaler framerate reduction.

webrtc/video_encoder.h

Index: webrtc/video_encoder.h
diff --git a/webrtc/video_encoder.h b/webrtc/video_encoder.h
index 8c82753d107aab7c9773a625fc6167428b52926d..0100239e0a42ab8942de17373cc0bb66a991509f 100644
--- a/webrtc/video_encoder.h
+++ b/webrtc/video_encoder.h
@@ -125,7 +125,6 @@ class VideoEncoder {
 
   virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; }
   virtual void OnDroppedFrame() {}
-  virtual int GetTargetFramerate() { return -1; }
   virtual bool SupportsNativeHandle() const { return false; }
   virtual const char* ImplementationName() const { return "unknown"; }
 };
@@ -153,7 +152,6 @@ class VideoEncoderSoftwareFallbackWrapper : public VideoEncoder {
 
   int32_t SetRates(uint32_t bitrate, uint32_t framerate) override;
   void OnDroppedFrame() override;
-  int GetTargetFramerate() override;
   bool SupportsNativeHandle() const override;
   const char* ImplementationName() const override;