Remove multipath_enabled from quic_config and quic_connection. No functional change expected.

net/tools/quic/quic_client_session_test.cc

Index: net/tools/quic/quic_client_session_test.cc
diff --git a/net/tools/quic/quic_client_session_test.cc b/net/tools/quic/quic_client_session_test.cc
index 1ed9bd9bab19a07d29d8dbb66519510c08e76500..1909450cd446fd54a2031e6ddaa78ae875fe1240 100644
--- a/net/tools/quic/quic_client_session_test.cc
+++ b/net/tools/quic/quic_client_session_test.cc
@@ -267,9 +267,8 @@ TEST_P(QuicClientSessionTest, InvalidPacketReceived) {
   // Verify that a non-decryptable packet doesn't close the connection.
   QuicConnectionId connection_id = session_->connection()->connection_id();
   std::unique_ptr<QuicEncryptedPacket> packet(ConstructEncryptedPacket(
-      connection_id, false, false, false, 100, "data",
-      PACKET_8BYTE_CONNECTION_ID, PACKET_6BYTE_PACKET_NUMBER, nullptr,
-      Perspective::IS_SERVER));
+      connection_id, false, false, 100, "data", PACKET_8BYTE_CONNECTION_ID,
+      PACKET_6BYTE_PACKET_NUMBER, nullptr, Perspective::IS_SERVER));
   std::unique_ptr<QuicReceivedPacket> received(
       ConstructReceivedPacket(*packet, QuicTime::Zero()));
   // Change the last byte of the encrypted data.