Don't log subscription

This object is very verbose and not meant to be logged.

swap/src/protocol/bob/swap.rs

@@ -8,7 +8,7 @@ use crate::{bitcoin, monero};
 use anyhow::{bail, Context, Result};
 use rand::rngs::OsRng;
 use tokio::select;
-use tracing::{info, trace};
+use tracing::trace;
 
 pub fn is_complete(state: &BobState) -> bool {
     matches!(
@@ -159,8 +159,6 @@ async fn next_state(
         BobState::XmrLocked(state) => {
             let tx_lock_status = bitcoin_wallet.subscribe_to(state.tx_lock.clone()).await;
 
-            info!("{:?}", tx_lock_status);
-
             if let ExpiredTimelocks::None = state.expired_timelock(bitcoin_wallet).await? {
                 // Alice has locked Xmr
                 // Bob sends Alice his key