Removes SendSideCongestionController.

Bug: webrtc:9586
Change-Id: Id6f3508eb19f277d74c34edfbcaeb8a22320b030
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/140286
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28222}
diff --git a/modules/congestion_controller/include/receive_side_congestion_controller.h b/modules/congestion_controller/include/receive_side_congestion_controller.h
index 1f798b6..dd8a0cf 100644
--- a/modules/congestion_controller/include/receive_side_congestion_controller.h
+++ b/modules/congestion_controller/include/receive_side_congestion_controller.h
@@ -15,6 +15,7 @@
 #include <vector>
 
 #include "api/transport/field_trial_based_config.h"
+#include "modules/include/module.h"
 #include "modules/remote_bitrate_estimator/remote_estimator_proxy.h"
 #include "rtc_base/constructor_magic.h"
 #include "rtc_base/critical_section.h"