Fix warnings

Author: bjorn3

scripts/cargo-clif.rs

@@ -1,7 +1,6 @@
 use std::env;
 #[cfg(unix)]
 use std::os::unix::process::CommandExt;
-use std::path::PathBuf;
 use std::process::Command;
 
 fn main() {

scripts/rustdoc-clif.rs

@@ -2,7 +2,6 @@ use std::env;
 use std::ffi::OsString;
 #[cfg(unix)]
 use std::os::unix::process::CommandExt;
-use std::path::PathBuf;
 use std::process::Command;
 
 fn main() {