Deprecate gfe2_reloadable_flag_quic_default_to_2_rttvar.

PiperOrigin-RevId: 344882968
Change-Id: Ib4e055688cc0c59ceee260145c4ff5c59edd04c8
diff --git a/quic/core/quic_sent_packet_manager_test.cc b/quic/core/quic_sent_packet_manager_test.cc
index fdc7874..e087211 100644
--- a/quic/core/quic_sent_packet_manager_test.cc
+++ b/quic/core/quic_sent_packet_manager_test.cc
@@ -337,10 +337,7 @@
   }
 
   int GetPtoRttvarMultiplier() {
-    if (GetQuicReloadableFlag(quic_default_on_pto)) {
-      return 2;
-    }
-    if (GetQuicReloadableFlag(quic_default_to_2_rttvar) &&
+    if (GetQuicReloadableFlag(quic_default_on_pto) ||
         manager_.handshake_mode_disabled()) {
       return 2;
     }