Remove OverUseDetectorOptions from OveruseDetector since it isn't used.

webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc

Index: webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc b/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
index b689aa62b844b4a49019772fc54d630cfcfa3433..51d79cd9c24a45add670b789589f9ad59b20ec88 100644
--- a/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
+++ b/webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.cc
@@ -38,7 +38,7 @@ struct RemoteBitrateEstimatorSingleStream::Detector {
                       kTimestampToMs,
                       enable_burst_grouping),
         estimator(options),
-        detector(options) {}
+        detector() {}
   int64_t last_packet_time_ms;
   InterArrival inter_arrival;
   OveruseEstimator estimator;