Remove unnecessary feature gate.

tmccombs · tmccombs · commit 15a196ec3684 · 2018-07-06T01:06:17.000-06:00
To fix a warning.
diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
@@ -122,7 +122,6 @@
 #![feature(const_slice_len)]
 #![feature(const_str_as_bytes)]
 #![feature(const_str_len)]
-#![cfg_attr(stage0, feature(repr_transparent))]
 
 #[prelude_import]
 #[allow(unused)]
