Try loading code at runtime

src/user.rs

@@ -1,17 +0,0 @@
-use core::time::Duration;
-
-use crate::syscall::{sleep, write_string_temp};
-
-pub fn test() {
-    loop {
-        write_string_temp("test");
-        sleep(Duration::new(2, 0));
-    }
-}
-
-pub fn proc2() {
-    loop {
-        write_string_temp("proc2");
-        sleep(Duration::new(3, 0));
-    }
-}