gfe-relnote: In QUIC, clean up !session_decides_what_to_write code path.

PiperOrigin-RevId: 276061544
Change-Id: If57489805bb2f6d038d6a2ff2b2d21c141742735
diff --git a/quic/core/quic_control_frame_manager.cc b/quic/core/quic_control_frame_manager.cc
index 11efae8..85b204b 100644
--- a/quic/core/quic_control_frame_manager.cc
+++ b/quic/core/quic_control_frame_manager.cc
@@ -281,9 +281,7 @@
 
 void QuicControlFrameManager::WriteBufferedFrames() {
   while (HasBufferedFrames()) {
-    if (session_->session_decides_what_to_write()) {
-      session_->SetTransmissionType(NOT_RETRANSMISSION);
-    }
+    session_->SetTransmissionType(NOT_RETRANSMISSION);
     QuicFrame frame_to_send =
         control_frames_.at(least_unsent_ - least_unacked_);
     QuicFrame copy = CopyRetransmittableControlFrame(frame_to_send);