clean up

src/bin/message.rs

@@ -1,10 +1,3 @@
-use crypto_box::{
-    aead::{Aead, AeadCore, OsRng},
-    PublicKey, SalsaBox, SecretKey,
-};
-use std::io::Write;
-use std::net::TcpStream;
-
 
 const KEYLENGTH: u8 = 32;