Fix env filter for asb

1. The asb didn't log any if the statements within main.rs
2. We were initializing unnecessary filters that don't make any sense
for the asb. warp and http are not used and the harness-es are for
test only.

swap/src/trace.rs

@@ -14,10 +14,7 @@ pub fn init_tracing(level: LevelFilter) -> Result<()> {
 
     let is_terminal = atty::is(atty::Stream::Stderr);
     let subscriber = FmtSubscriber::builder()
-        .with_env_filter(format!(
-            "swap={},monero_harness={},bitcoin_harness={},http=warn,warp=warn",
-            level, level, level
-        ))
+        .with_env_filter(format!("asb={},swap={}", level, level,))
         .with_writer(std::io::stderr)
         .with_ansi(is_terminal)
         .finish();