Rollback --gfe2_reloadable_flag_quic_set_burst_token as the GWS experiment completes.

PiperOrigin-RevId: 440139064

quic/core/quic_flags_list.h

diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index 66d5dc9..3bb265b 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -6,7 +6,7 @@
 
 #ifdef QUIC_FLAG
 
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_set_burst_token, true)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_set_burst_token, false)
 
 QUIC_FLAG(FLAGS_quic_restart_flag_quic_offload_pacing_to_usps2, false)
 // A testonly reloadable flag that will always default to false.