message: test: remove obsolete comment
  Cr-Commit-Position: refs/heads/master@{#31528}
diff: @@ -2445,8 +2445,6 @@ TEST_F(WebRtcSdpTest, SerializeHostnameCandidate) {
  EXPECT_EQ(std::string(kRawHostnameCandidate), message);
  }
  -// TODO(mallinath) : Enable this test once WebRTCSdp capable of parsing
  -// RFC 6544.
  TEST_F(WebRtcSdpTest, SerializeTcpCandidates) {
  Candidate candidate(ICE_CANDIDATE_COMPONENT_RTP, "tcp",
  rtc::SocketAddress("192.168.1.5", 9), kCandidatePriority,
  