Runtime removal: fully remove rtio

This patch cleans up the remnants of the runtime IO interface.

Because this eliminates APIs in `libnative` and `librustrt`, it is a:

[breaking-change]

This functionality is likely to be available publicly, in some form,
from `std` in the future.

1 files changed, 1 insertions, 3 deletions

diff --git a/src/libgreen/basic.rs b/src/libgreen/basic.rs
index b476f46833b..e2b8eb54ac3 100644
--- a/src/libgreen/basic.rs
+++ b/src/libgreen/basic.rs
@@ -18,7 +18,7 @@
 use alloc::arc::Arc;
 use std::sync::atomic;
 use std::mem;
-use std::rt::rtio::{EventLoop, IoFactory, RemoteCallback};
+use std::rt::rtio::{EventLoop, RemoteCallback};
 use std::rt::rtio::{PausableIdleCallback, Callback};
 use std::rt::exclusive::Exclusive;
 
@@ -150,8 +150,6 @@ impl EventLoop for BasicLoop {
             Box<RemoteCallback + Send>
     }
 
-    fn io<'a>(&'a mut self) -> Option<&'a mut IoFactory> { None }
-
     fn has_active_io(&self) -> bool { false }
 }