Remove redundant std::min from ProbeBitrateEstimator.

webrtc/modules/congestion_controller/probe_bitrate_estimator.cc

Index: webrtc/modules/congestion_controller/probe_bitrate_estimator.cc
diff --git a/webrtc/modules/congestion_controller/probe_bitrate_estimator.cc b/webrtc/modules/congestion_controller/probe_bitrate_estimator.cc
index a3b0b8830b3a3311864b7f97122a6dea13ea3965..722b01811462074de888e255032ce94c823404b4 100644
--- a/webrtc/modules/congestion_controller/probe_bitrate_estimator.cc
+++ b/webrtc/modules/congestion_controller/probe_bitrate_estimator.cc
@@ -139,7 +139,7 @@ int ProbeBitrateEstimator::HandleProbeAndEstimateBitrate(
   float res = std::min(send_bps, receive_bps);
   if (event_log_)
     event_log_->LogProbeResultSuccess(cluster_id, res);
-  estimated_bitrate_bps_ = rtc::Optional<int>(std::min(send_bps, res));
+  estimated_bitrate_bps_ = rtc::Optional<int>(res);
   return *estimated_bitrate_bps_;
 }