Runtime removal: refactor timer

This patch continues runtime removal by moving out timer-related code
into `sys`.

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, 0 deletions

diff --git a/src/libstd/sys/unix/mod.rs b/src/libstd/sys/unix/mod.rs
index b404dc7fdbd..03a4e56f00d 100644
--- a/src/libstd/sys/unix/mod.rs
+++ b/src/libstd/sys/unix/mod.rs
@@ -34,6 +34,7 @@ pub mod udp;
 pub mod pipe;
 pub mod helper_signal;
 pub mod process;
+pub mod timer;
 
 pub mod addrinfo {
     pub use sys_common::net::get_host_addresses;