Fix an import

tests/runner/src/lib.rs

@@ -1,5 +1,5 @@
 use bootloader::BootConfig;
-use std::{io::Write, path::Path, process::Command};
+use std::{io::Read, path::Path, process::Command};
 
 const QEMU_ARGS: &[&str] = &[
     "-device",

uefi/src/main.rs

@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(abi_efiapi)]
 #![deny(unsafe_op_in_unsafe_fn)]
 
 use crate::memory_descriptor::UefiMemoryDescriptor;