Ignore warnings on simple_fs_test

sphinx-key/src/main.rs

@@ -5,6 +5,7 @@ mod periph;
 
 use crate::core::{config::*, events::*};
 use crate::periph::led::led_control_loop;
+#[allow(unused_imports)]
 use crate::periph::sd::{mount_sd_card, simple_fs_test};
 
 use anyhow::Result;

sphinx-key/src/periph/sd.rs

@@ -133,6 +133,7 @@ pub fn mount_sd_card() -> anyhow::Result<()> {
     Ok(())
 }
 
+#[allow(dead_code)]
 pub fn simple_fs_test() {
     // Create and write a file, append a file, read a file, delete a file, create a directory, write a file