remove unessesery line

src/main.rs

@@ -101,14 +101,12 @@ async fn start_client(addr: &str) -> Result<(), Box<dyn Error>> {
     stream.write_all(username.trim().as_bytes()).await?;
 
     println!("Connected to server at {}", addr);
-    let mut input = String::new();
     loop {
+        let mut input = String::new();
         reader.read_line(&mut input).await?;
         stream.write_all(input.trim().as_bytes()).await?;
 
         // Print sent message
         println!("Sent message from {}: {}", username.trim(), input.trim());
-        input.clear();
     }
 }
-