Remove feature(tool_lints) from tests

src/test/run-pass/tool_lints.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 #![deny(unknown_lints)]
 
 #[allow(clippy::almost_swapped)]

src/test/run-pass/tool_lints_2018_preview.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 #![feature(rust_2018_preview)]
 #![deny(unknown_lints)]
 

src/test/ui-fulldeps/lint_tool_test.rs

@@ -11,8 +11,8 @@
 // aux-build:lint_tool_test.rs
 // ignore-stage1
 // compile-flags: --cfg foo
+
 #![feature(plugin)]
-#![feature(tool_lints)]
 #![plugin(lint_tool_test)]
 #![allow(dead_code)]
 #![cfg_attr(foo, warn(test_lint))]

src/test/ui/tool_lints-fail.rs

@@ -10,7 +10,7 @@
 
 // Don't allow tool_lints, which aren't scoped
 
-#![feature(tool_lints)]
+
 #![deny(unknown_lints)]
 
 #![deny(clippy)] //~ ERROR: unknown lint: `clippy`

src/test/ui/tool_lints.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 
 #[warn(foo::bar)]
 //~^ ERROR an unknown tool name found in scoped lint: `foo::bar`

src/test/ui/unknown-lint-tool-name.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 
 #![deny(foo::bar)] //~ ERROR an unknown tool name found in scoped lint: `foo::bar`