remove feature gate

HernandoR · HernandoR · commit 2a9c2d3234a3 · 2025-07-16T19:49:26.000+08:00
Signed-off-by: HernandoR &lt;lzhen.dev@outlook.com&gt;
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
@@ -123,7 +123,6 @@
 #![feature(fmt_internals)]
 #![feature(fn_traits)]
 #![feature(formatting_options)]
-#![feature(from_iter_default)]
 #![feature(generic_atomic)]
 #![feature(hasher_prefixfree_extras)]
 #![feature(inplace_iteration)]
