Revert of Periodically update codec bit/frame rate settings.

webrtc/modules/video_coding/video_sender.cc

Index: webrtc/modules/video_coding/video_sender.cc
diff --git a/webrtc/modules/video_coding/video_sender.cc b/webrtc/modules/video_coding/video_sender.cc
index 50d56206bc2de85392d8462cd23ed68a65f7fb2d..0b54d13b2901e1bfc7faf03e309a64f4d28a3dd8 100644
--- a/webrtc/modules/video_coding/video_sender.cc
+++ b/webrtc/modules/video_coding/video_sender.cc
@@ -103,11 +103,6 @@
     numLayers = sendCodec->VP8().numberOfTemporalLayers;
   } else if (sendCodec->codecType == kVideoCodecVP9) {
     numLayers = sendCodec->VP9().numberOfTemporalLayers;
-  } else if (sendCodec->codecType == kVideoCodecGeneric &&
-             sendCodec->numberOfSimulcastStreams > 0) {
-    // This is mainly for unit testing, disabling frame dropping.
-    // TODO(sprang): Add a better way to disable frame dropping.
-    numLayers = sendCodec->simulcastStream[0].numberOfTemporalLayers;
   } else {
     numLayers = 1;
   }