Delete method DecoderDatabase::RegisterPayload(...NetEqDecoder...)

Bug: webrtc:10185
Change-Id: I69ce40b1c7267b039cd1d2237c5d5bbae3a81875
Reviewed-on: https://webrtc-review.googlesource.com/c/116683
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Ivo Creusen <ivoc@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26208}

rtc_tools/event_log_visualizer/analyzer.cc

@@ -1732,10 +1732,8 @@ std::unique_ptr<test::NetEqStatsGetter> CreateNetEqTestAndRun(
                 std::move(replacement_file), 48000, false);
           });
 
-  test::NetEqTest::DecoderMap codecs;
-
-  codecs[kReplacementPt] = {NetEqDecoder::kDecoderPCM16Bswb48kHz,
-                            "replacement codec"};
+  test::NetEqTest::DecoderMap codecs = {
+      {kReplacementPt, SdpAudioFormat("l16", 48000, 1)}};
 
   std::unique_ptr<test::NetEqDelayAnalyzer> delay_cb(
       new test::NetEqDelayAnalyzer);