Improve readability in GoogCcNetworkController::OnSentPacket

Bug: None
Change-Id: Iff8a73611982506d44ac6818300663c3a4ac49b6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/155177
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29363}
diff --git a/modules/congestion_controller/goog_cc/goog_cc_network_control.cc b/modules/congestion_controller/goog_cc/goog_cc_network_control.cc
index 850673e..52b20a1 100644
--- a/modules/congestion_controller/goog_cc/goog_cc_network_control.cc
+++ b/modules/congestion_controller/goog_cc/goog_cc_network_control.cc
@@ -250,14 +250,10 @@
                                                 TimeDelta::Zero());
   }
   bandwidth_estimation_->OnSentPacket(sent_packet);
-  bool network_changed = false;
 
   if (congestion_window_pushback_controller_) {
     congestion_window_pushback_controller_->UpdateOutstandingData(
         sent_packet.data_in_flight.bytes());
-    network_changed = true;
-  }
-  if (network_changed) {
     NetworkControlUpdate update;
     MaybeTriggerOnNetworkChanged(&update, sent_packet.send_time);
     return update;