Remove unnecessary feature gates

jhpratt · jhpratt · commit 57f839c36029 · 2023-08-12T00:21:04.000-04:00
diff --git a/std/src/lib.rs b/std/src/lib.rs
@@ -293,7 +293,6 @@
 #![feature(float_next_up_down)]
 #![feature(hasher_prefixfree_extras)]
 #![feature(hashmap_internals)]
-#![feature(int_roundings)]
 #![feature(ip)]
 #![feature(ip_in_core)]
 #![feature(maybe_uninit_slice)]
