Main: Remove unnecessary return statement

src/main.rs

@@ -60,7 +60,7 @@ fn run() -> Result<()> {
 
     let pool = ThreadPoolBuilder::new().num_threads(args.jobs as usize).build().unwrap();
 
-    return pool.install(|| {
+    pool.install(|| {
         return hashed_files.par_iter().progress_with(progress_bar).try_for_each(|path| -> Result<()> {
             // Just opening the file and hashing using io::copy is roughly ~2.5x fater compared to sha256::digest_file
             let mut hasher = Sha256::new();
@@ -79,7 +79,7 @@ fn run() -> Result<()> {
 
             Ok(())
         });
-    });
+    })
 }
 
 fn main() {