__rust_alloc_error_handler can be removed

[bjorn3]

linux/rust/kernel/allocator.rs

Lines 70 to 73 in 1b842c3

	#[no_mangle]
	pub fn __rust_alloc_error_handler(_size: usize, _align: usize) -> ! {
	panic!("Out of memory!");
	}

It should be unused since enabling no_global_oom_handling.