slice_patterns: remove gates in tests

Author: Centril

src/test/mir-opt/uniform_array_move_out.rs

@@ -1,5 +1,4 @@
 #![feature(box_syntax)]
-#![feature(slice_patterns)]
 
 fn move_out_from_end() {
     let a = [box 1, box 2];

src/test/ui/array-slice-vec/subslice-patterns-const-eval-match.rs

@@ -2,7 +2,7 @@
 
 // run-pass
 
-#![feature(slice_patterns, const_fn, const_if_match)]
+#![feature(const_fn, const_if_match)]
 #[derive(PartialEq, Debug, Clone)]
 struct N(u8);
 

src/test/ui/array-slice-vec/subslice-patterns-const-eval.rs

@@ -2,8 +2,6 @@
 
 // run-pass
 
-#![feature(slice_patterns)]
-
 #[derive(PartialEq, Debug, Clone)]
 struct N(u8);
 

src/test/ui/array-slice-vec/subslice-patterns-pass.rs

@@ -4,8 +4,6 @@
 
 // run-pass
 
-#![feature(slice_patterns)]
-
 #![allow(unreachable_patterns)]
 
 use std::convert::identity;

src/test/ui/array-slice-vec/vec-matching-fixed.rs

@@ -1,7 +1,5 @@
 // run-pass
 
-#![feature(slice_patterns)]
-
 fn a() {
     let x = [1, 2, 3];
     match x {

src/test/ui/array-slice-vec/vec-matching-fold.rs

@@ -1,7 +1,5 @@
 // run-pass
 
-#![feature(slice_patterns)]
-
 use std::fmt::Debug;
 
 fn foldl<T, U, F>(values: &[T],

src/test/ui/array-slice-vec/vec-matching-legal-tail-element-borrow.rs

@@ -1,7 +1,6 @@
 // run-pass
-#![allow(unused_variables)]
 
-#![feature(slice_patterns)]
+#![allow(unused_variables)]
 
 pub fn main() {
     let x = &[1, 2, 3, 4, 5];

src/test/ui/array-slice-vec/vec-matching.rs

@@ -1,7 +1,5 @@
 // run-pass
 
-#![feature(slice_patterns)]
-
 fn a() {
     let x = [1];
     match x {

src/test/ui/array-slice-vec/vec-tail-matching.rs

@@ -1,7 +1,5 @@
 // run-pass
 
-#![feature(slice_patterns)]
-
 struct Foo {
     string: &'static str
 }

src/test/ui/binding/empty-types-in-patterns.rs

@@ -1,7 +1,8 @@
 // run-pass
+
 #![feature(never_type, never_type_fallback)]
 #![feature(exhaustive_patterns)]
-#![feature(slice_patterns)]
+
 #![allow(unreachable_patterns)]
 #![allow(unreachable_code)]
 #![allow(unused_variables)]