feat: fix code

Author: oowl

test/mount/test_mount_apple.rs

@@ -1,8 +1,6 @@
 use nix::errno::Errno;
 use nix::mount::{mount, MntFlags};
 
-use crate::*;
-
 #[test]
 fn test_mount() {
     let res = mount::<str, str, str>("", "", MntFlags::empty(), None);