Remove api/bitrate_constraints.h.

Bug: webrtc:8733
Change-Id: Iaeb26e07d399f25dc18b0c4af38ed400577a5d3a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153220
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29217}
diff --git a/video/screenshare_loopback.cc b/video/screenshare_loopback.cc
index e5625a9..b8121dc 100644
--- a/video/screenshare_loopback.cc
+++ b/video/screenshare_loopback.cc
@@ -17,9 +17,9 @@
 #include "absl/flags/flag.h"
 #include "absl/flags/parse.h"
 #include "absl/types/optional.h"
-#include "api/bitrate_constraints.h"
 #include "api/test/simulated_network.h"
 #include "api/test/video_quality_test_fixture.h"
+#include "api/transport/bitrate_settings.h"
 #include "api/video_codecs/video_codec.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"