Remove unused feature gates from librustc_interface

diff --git a/src/librustc_interface/lib.rs b/src/librustc_interface/lib.rs
index e4e6849ab8e59859ff8bcd30478f8e9d987affae..ba1e2216ca805df35d394e3ed443c83b9483e8b0 100644 (file)
--- a/src/librustc_interface/lib.rs
+++ b/src/librustc_interface/lib.rs
@@ -2,10 +2,8 @@
 #![feature(box_syntax)]
 #![feature(set_stdio)]
 #![feature(nll)]
-#![feature(arbitrary_self_types)]
 #![feature(generator_trait)]
 #![feature(generators)]
-#![cfg_attr(unix, feature(libc))]
 #![recursion_limit = "256"]
 
 #[cfg(unix)]