Remove unused imports

Signed-off-by: Lee Smet <lee.smet@hotmail.com>

src/main.rs

@@ -2,8 +2,8 @@ use clap::Parser;
 use std::net::{IpAddr, SocketAddr};
 use std::sync::Arc;
 
-use tracing::{error, info, warn};
-use tracing_subscriber::{EnvFilter, fmt};
+use tracing::{error, info};
+use tracing_subscriber::EnvFilter;
 #[derive(Debug, Clone, Parser)]
 #[command(
     name = "herocoordinator",