Attempt to fix Rust clippy lint errors (microsoft#165377)

Author: joyceerhl

cli/src/self_update.rs

@@ -150,7 +150,7 @@ fn copy_file_metadata(from: &Path, to: &Path) -> Result<(), std::io::Error> {
 	use std::os::unix::fs::MetadataExt;
 
 	let metadata = from.metadata()?;
-	fs::set_permissions(&to, metadata.permissions())?;
+	fs::set_permissions(to, metadata.permissions())?;
 
 	// based on coreutils' chown https://github.com/uutils/coreutils/blob/72b4629916abe0852ad27286f4e307fbca546b6e/src/chown/chown.rs#L266-L281
 	let s = std::ffi::CString::new(to.as_os_str().as_bytes()).unwrap();

cli/src/tunnels/code_server.rs

@@ -352,7 +352,7 @@ fn install_server(
 
 	unzip_downloaded_release(compressed_file, &paths.server_dir, SilentCopyProgress())?;
 
-	match fs::remove_file(&compressed_file) {
+	match fs::remove_file(compressed_file) {
 		Ok(()) => {}
 		Err(e) => {
 			if e.kind() != ErrorKind::NotFound {

cli/src/util/tar.rs

@@ -87,7 +87,7 @@ where
 			});
 
 			if let Some(p) = path.parent() {
-				fs::create_dir_all(&p)
+				fs::create_dir_all(p)
 					.map_err(|e| wrap(e, format!("could not create dir for {}", p.display())))?;
 			}