Remove unnecessary println.

examples/dig.rs

@@ -231,7 +231,6 @@ fn main() {
                            options.qclass().unwrap());
     let response = resolver.sync_task(query).unwrap();
     println!("Done with task");
-    /*
     let len = response.len();
     print_result(response);
     println!(";; Query time: not yet available.");
@@ -239,8 +238,6 @@ fn main() {
     println!(";; WHEN: not yet available.");
     println!(";; MSG SIZE  rcvd: {} bytes", len);
     println!("");
-    */
-    println!("Dropping resolver");
     drop(resolver);
     join.join().unwrap();
 }

src/resolv/stub/tcp.rs

@@ -133,7 +133,6 @@ impl<X> Idle<X> {
               -> Response<TcpTransport<X>, ConnTransportSeed> {
         if self.info.process_commands() {
             // We got a close command and can shut down right away.
-            println!("TCP transport done");
             Response::done()
         }
         else {
@@ -384,7 +383,6 @@ impl<X> Closing<X> {
               -> Response<TcpTransport<X>, ConnTransportSeed> {
         self.info.flush_timeouts();
         scope.deregister(&self.sock).ok();
-            println!("TCP transport done");
         Response::done()
     }
 
@@ -421,7 +419,6 @@ impl<X> Closing<X> {
             }
         }
         else {
-            println!("TCP transport done");
             Response::done()
         }
     }
@@ -458,7 +455,6 @@ impl<X> Failed<X> {
     fn wakeup(mut self, _scope: &mut Scope<X>)
               -> Response<TcpTransport<X>, ConnTransportSeed> {
         if self.info.reject_commands() {
-            println!("TCP transport done");
             Response::done()
         }
         else {