Formatting and fixing warnings

kernel/src/main.rs

@@ -3,17 +3,12 @@
 
 extern crate alloc;
 
-use alloc::vec::Vec;
-
 use foundry_os::{println, println_log};
 use lib_async::task::{Executor, Task};
 use lib_keyboard::print_keypresses;
 
 #[no_mangle]
-unsafe extern "C" fn kmain() -> ! {
-    // All limine requests must also be referenced in a called function, otherwise they may be
-    // removed by the linker.
-
+extern "C" fn kmain() -> ! {
     println_log!(" [ Initialising Kernel Systems ] ");
     if let Err(err) = foundry_os::boot() {
         panic!("{}", err);