remove extra brackets

Author: yggverse

src/lib.rs

@@ -16,7 +16,7 @@
 /// assert_eq!(ns(5, uk), "котів");
 /// ```
 pub fn ns<'a>(n: usize, s: &[&'a str]) -> &'a str {
-    s[if (n % 100) > 4 && (n % 100) < 20 {
+    s[if n % 100 > 4 && n % 100 < 20 {
         2
     } else {
         [2, 0, 1, 1, 1, 2][usize::min(n % 10, 5)]