Resolve clippy warnings

src/load_order/mutable.rs

@@ -53,7 +53,7 @@ pub trait MutableLoadOrder: ReadableLoadOrder + ReadableLoadOrderBase + Sync {
     }
 
     fn find_plugins_in_dir(&self) -> Vec<String> {
-        let entries = match read_dir(&self.game_settings().plugins_directory()) {
+        let entries = match read_dir(self.game_settings().plugins_directory()) {
             Ok(x) => x,
             _ => return Vec::new(),
         };

src/load_order/timestamp_based.rs

@@ -68,7 +68,7 @@ impl TimestampBasedLoadOrder {
 
         let prelude = get_file_prelude(self.game_settings())?;
 
-        let file = File::create(&self.game_settings().active_plugins_file())?;
+        let file = File::create(self.game_settings().active_plugins_file())?;
         let mut writer = BufWriter::new(file);
         writer.write_all(&prelude)?;
         for (index, plugin_name) in self.active_plugin_names().iter().enumerate() {

src/plugin.rs

@@ -116,7 +116,7 @@ impl Plugin {
         // WritableLoadOrder::save() could lead to libloadorder not setting all
         // the timestamps it needs to and producing an incorrect load order.
         set_file_times(
-            &self.data.path(),
+            self.data.path(),
             FileTime::from_system_time(SystemTime::now()),
             FileTime::from_system_time(time),
         )?;