Make main.rs clippy-clean

rust/src/main.rs

@@ -30,13 +30,13 @@ fn main() {
     let mut rose = GildedRose::new(items);
 
     println!("OMGHAI!");
-    for i in (0..30) {
+    for i in 0..30 {
         println!("-------- day {} --------", i);
         println!("name, sellIn, quality");
         for item in &rose.items {
             println!("{}, {}, {}", item.name, item.sell_in, item.quality);
         }
-        println!("");
+        println!();
         rose.update_quality();
     }
 }