remvoe const_fn leftovers

RalfJung · Amanieu · commit cc75a9594cb6 · 2021-05-07T17:51:27.000+01:00
diff --git a/crates/core_arch/src/lib.rs b/crates/core_arch/src/lib.rs
@@ -5,7 +5,6 @@
 #![deny(rust_2018_idioms)]
 #![feature(
     asm,
-    const_fn,
     const_fn_union,
     const_fn_transmute,
     custom_inner_attributes,
