alloc_error_handler has stabilized

rust-lang/rust#51540

Author: tantaman

Diff for: core/rs/bundle/src/lib.rs

@@ -1,6 +1,5 @@
 #![no_std]
 #![feature(core_intrinsics)]
-#![feature(alloc_error_handler)]
 #![feature(lang_items)]
 
 extern crate alloc;
@@ -23,11 +22,6 @@ fn panic(_info: &PanicInfo) -> ! {
     core::intrinsics::abort()
 }
 
-#[alloc_error_handler]
-fn oom(_: Layout) -> ! {
-    core::intrinsics::abort()
-}
-
 #[cfg(not(target_family = "wasm"))]
 #[lang = "eh_personality"]
 extern "C" fn eh_personality() {}