Stabilize slice patterns without ..

Merge `feature(advanced_slice_patterns)` into `feature(slice_patterns)`

src/test/ui/rfc-2005-default-binding-mode/slice.rs

@@ -8,8 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(slice_patterns)]
 #![feature(match_default_bindings)]
+#![feature(slice_patterns)]
 
 pub fn main() {
     let sl: &[u8] = b"foo";