Revert "Enable tracing to debug. (#80)"

This reverts commit 6e0e85272d.

moq-relay/src/main.rs

@@ -18,12 +18,10 @@ async fn main() -> anyhow::Result<()> {
 	env_logger::init();
 
 	// Disable tracing so we don't get a bunch of Quinn spam.
-	/* TODO disable again after debugging
 	let tracer = tracing_subscriber::FmtSubscriber::builder()
 		.with_max_level(tracing::Level::WARN)
 		.finish();
 	tracing::subscriber::set_global_default(tracer).unwrap();
-	*/
 
 	let config = Config::parse();