Remove unused feature gate from librustc_target

bjorn3 · bjorn3 · commit 1a26c1c67acd · 2020-02-07T13:58:57.000+01:00
diff --git a/src/librustc_target/lib.rs b/src/librustc_target/lib.rs
@@ -8,7 +8,6 @@
 //! LLVM.
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
-#![feature(box_syntax)]
 #![feature(bool_to_option)]
 #![feature(nll)]
 
