Drop unnecessary manual Clone impl

quinn/src/connection.rs

@@ -310,7 +310,7 @@ impl Future for ConnectionDriver {
 /// May be cloned to obtain another handle to the same connection.
 ///
 /// [`Connection::close()`]: Connection::close
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Connection(ConnectionRef);
 
 impl Connection {
@@ -510,12 +510,6 @@ impl Connection {
     }
 }
 
-impl Clone for Connection {
-    fn clone(&self) -> Self {
-        Connection(self.0.clone())
-    }
-}
-
 /// A stream of unidirectional QUIC streams initiated by a remote peer.
 ///
 /// Incoming streams are *always* opened in the same order that the peer created them, but data can