remove redundant clone and Into for RemoteDnsAddress

bin/sslocal.rs

@@ -355,27 +355,21 @@ fn main() {
 
                     fn from_str(a: &str) -> Result<RemoteDnsAddress, Self::Err> {
                         if let Ok(ip) = a.parse::<IpAddr>() {
-                            return Ok(Address::SocketAddress(SocketAddr::new(ip, 53)).into());
+                            return Ok(RemoteDnsAddress(Address::SocketAddress(SocketAddr::new(ip, 53))));
                         }
 
                         if let Ok(saddr) = a.parse::<SocketAddr>() {
-                            return Ok(Address::SocketAddress(saddr).into());
+                            return Ok(RemoteDnsAddress(Address::SocketAddress(saddr)));
                         }
 
                         if a.find(':').is_some() {
-                            a.parse::<Address>().map(Into::into)
+                            a.parse::<Address>().map(RemoteDnsAddress)
                         } else {
-                            Ok(Address::DomainNameAddress(a.to_owned(), 53).into())
+                            Ok(RemoteDnsAddress(Address::DomainNameAddress(a.to_owned(), 53)))
                         }
                     }
                 }
 
-                impl Into<RemoteDnsAddress> for Address {
-                    fn into(self) -> RemoteDnsAddress {
-                        RemoteDnsAddress(self)
-                    }
-                }
-
                 match clap::value_t!(matches.value_of("LOCAL_DNS_ADDR"), NameServerAddr) {
                     Ok(addr) => local_config.local_dns_addr = Some(addr),
                     Err(ref err) if err.kind == ClapErrorKind::ArgumentNotFound => {}

bin/ssserver.rs

@@ -170,7 +170,7 @@ fn main() {
                 Err(err) => err.exit(),
             };
 
-            let mut sc = ServerConfig::new(svr_addr, password.to_owned(), method);
+            let mut sc = ServerConfig::new(svr_addr, password, method);
             if let Some(timeout) = timeout {
                 sc.set_timeout(timeout);
             }