Deprecate quic_drop_small_initial_packets

gfe-relnote: deprecate gfe2_reloadable_flag_quic_drop_small_initial_packets
PiperOrigin-RevId: 298387827
Change-Id: Ib480085897fad59930d8683d33ad294ee9ce44b8
diff --git a/quic/core/quic_dispatcher_test.cc b/quic/core/quic_dispatcher_test.cc
index 973e2e3..362ff81 100644
--- a/quic/core/quic_dispatcher_test.cc
+++ b/quic/core/quic_dispatcher_test.cc
@@ -1267,11 +1267,7 @@
   QuicSocketAddress client_address(QuicIpAddress::Loopback4(), 1);
 
   EXPECT_CALL(*dispatcher_, CreateQuicSession(_, _, _, _)).Times(0);
-  if (GetQuicReloadableFlag(quic_drop_small_initial_packets)) {
-    EXPECT_CALL(*time_wait_list_manager_, SendPacket(_, _, _)).Times(0);
-  } else {
-    EXPECT_CALL(*time_wait_list_manager_, SendPacket(_, _, _)).Times(1);
-  }
+  EXPECT_CALL(*time_wait_list_manager_, SendPacket(_, _, _)).Times(0);
   EXPECT_CALL(*time_wait_list_manager_,
               AddConnectionIdToTimeWait(_, _, _, _, _))
       .Times(0);