Clippy fixes (#309)

* Automatic clippy fixes

* Manual clippy corrections

src/steam/collections.rs

@@ -154,7 +154,7 @@ pub fn write_collections<S: AsRef<str>>(
                 }
 
                 let new_string = write_vdf_collection_to_string(
-                    &path.clone().to_string_lossy(),
+                    path.clone().to_string_lossy(),
                     &vdf_collections,
                 );
                 if let Some(new_string) = new_string {

src/steam/restarter.rs

@@ -49,7 +49,7 @@ pub fn ensure_steam_started(_settings: &super::SteamSettings) {
     if processes.next().is_none() {
         //no steam, we need to start it
         println!("Starting steam");
-        let mut command = Command::new(&steam_name);
+        let mut command = Command::new(steam_name);
         if let Err(e) = command.spawn() {
             println!("Failed to start steam: {:?}", e);
         };