Undo changes to prelude

Author: HadrienG2

src/prelude.rs

@@ -2,7 +2,7 @@
 //!
 //! This includes the system table types, `Status` codes, etc.
 
-pub use crate::{Completion, Result, Status};
+pub use crate::Status;
 
 // Import the basic table types.
 pub use crate::table::{boot::BootServices, runtime::RuntimeServices, SystemTable};