io: move into `tokio` crate (#1691)

A step towards collapsing Tokio sub crates into a single `tokio`
crate (#1318).

The `io` implementation is now provided by the main `tokio` crate.
Functionality can be opted out of by using the various net related
feature flags.

1 files changed, 2 insertions, 2 deletions

diff --git a/tokio/src/signal/unix.rs b/tokio/src/signal/unix.rs
index e9f63af8..dfd8a85f 100644
--- a/tokio/src/signal/unix.rs
+++ b/tokio/src/signal/unix.rs
@@ -5,10 +5,10 @@
 
 #![cfg(unix)]
 
-use super::registry::{globals, EventId, EventInfo, Globals, Init, Storage};
+use crate::io::AsyncRead;
 use crate::net::util::PollEvented;
+use crate::signal::registry::{globals, EventId, EventInfo, Globals, Init, Storage};
 
-use tokio_io::AsyncRead;
 use tokio_sync::mpsc::{channel, Receiver};
 
 use futures_core::stream::Stream;