rustc_tools_util: remove test and tool_lints features, both are actually unused.

matthiaskrgr · matthiaskrgr · commit 34693c0d6dc7 · 2018-09-29T19:34:38.000+02:00
Fixes build with beta.
diff --git a/rustc_tools_util/src/lib.rs b/rustc_tools_util/src/lib.rs
@@ -1,6 +1,3 @@
-#![feature(test)]
-#![feature(tool_lints)]
-
 use std::env;
 
 #[macro_export]
