Revert of Wire up send-side bandwidth estimation.

webrtc/video/screenshare_loopback.cc

Index: webrtc/video/screenshare_loopback.cc
diff --git a/webrtc/video/screenshare_loopback.cc b/webrtc/video/screenshare_loopback.cc
index 9897783eb9ddf8ff59d644722b624943b403978c..34f68947f660e84fc342196a019fa9778a1ec443 100644
--- a/webrtc/video/screenshare_loopback.cc
+++ b/webrtc/video/screenshare_loopback.cc
@@ -139,8 +139,6 @@ int DurationSecs() {
   return static_cast<int>(FLAGS_duration);
 }
 
-DEFINE_bool(send_side_bwe, true, "Use send-side bandwidth estimation");
-
 DEFINE_string(
     force_fieldtrials,
     "",
@@ -164,12 +162,19 @@ void Loopback() {
   call_bitrate_config.max_bitrate_bps = flags::MaxBitrateKbps() * 1000;
 
   VideoQualityTest::Params params{
-      {flags::Width(), flags::Height(), flags::Fps(),
-       flags::MinBitrateKbps() * 1000, flags::TargetBitrateKbps() * 1000,
-       flags::MaxBitrateKbps() * 1000, flags::Codec(),
-       flags::NumTemporalLayers(), flags::MinTransmitBitrateKbps() * 1000,
-       call_bitrate_config, flags::TLDiscardThreshold(),
-       flags::FLAGS_send_side_bwe},
+      {
+        flags::Width(),
+        flags::Height(),
+        flags::Fps(),
+        flags::MinBitrateKbps() * 1000,
+        flags::TargetBitrateKbps() * 1000,
+        flags::MaxBitrateKbps() * 1000,
+        flags::Codec(),
+        flags::NumTemporalLayers(),
+        flags::MinTransmitBitrateKbps() * 1000,
+        call_bitrate_config,
+        flags::TLDiscardThreshold()
+      },
       {},  // Video specific.
       {true, flags::SlideChangeInterval(), flags::ScrollDuration()},
       {"screenshare", 0.0, 0.0, flags::DurationSecs(), flags::OutputFilename()},