Bug 1891082 - Remove outdated comments in DecoderAgent r=media-playback-reviewers,padenot

Depends on D220506

Differential Revision: https://phabricator.services.mozilla.com/D221224

Author: ChunMinChang

dom/media/webcodecs/DecoderAgent.cpp

@@ -92,9 +92,6 @@ RefPtr<DecoderAgent::ConfigurePromise> DecoderAgent::Configure(
 
   RefPtr<layers::KnowsCompositor> knowsCompositor =
       layers::ImageBridgeChild::GetSingleton();
-  // Bug 1839993: FFmpegDataDecoder ignores all decode errors when draining so
-  // WPT cannot receive error callbacks. Forcibly enable LowLatency for now to
-  // get the decoded results immediately to avoid this.
 
   auto params = CreateDecoderParams{
       *mInfo,