Deprecate FLAG_quic_no_unencrypted_fec.

net/quic/quic_packet_generator_test.cc

Index: net/quic/quic_packet_generator_test.cc
diff --git a/net/quic/quic_packet_generator_test.cc b/net/quic/quic_packet_generator_test.cc
index 05d0cdd5e2137a52495832661e0bd25a514d0634..50b8667511e6ac50fc3c224521327f02bab771b9 100644
--- a/net/quic/quic_packet_generator_test.cc
+++ b/net/quic/quic_packet_generator_test.cc
@@ -109,7 +109,6 @@ class QuicPacketGeneratorTest : public ::testing::Test {
         creator_(QuicPacketGeneratorPeer::GetPacketCreator(&generator_)) {
     // TODO(ianswett): Fix this test so it uses a non-null encrypter.
     FLAGS_quic_never_write_unencrypted_data = false;
-    FLAGS_quic_no_unencrypted_fec = false;
   }
 
   ~QuicPacketGeneratorTest() override {