Remove clippy::author attribute from trailing_zeroes test

Author: flip1995

tests/ui/trailing_zeros.rs

@@ -1,10 +1,8 @@
-#![feature(stmt_expr_attributes)]
 #![allow(unused_parens)]
 
 fn main() {
     let x: i32 = 42;
-    let _ = #[clippy::author]
-    (x & 0b1111 == 0); // suggest trailing_zeros
+    let _ = (x & 0b1111 == 0); // suggest trailing_zeros
     let _ = x & 0b1_1111 == 0; // suggest trailing_zeros
     let _ = x & 0b1_1010 == 0; // do not lint
     let _ = x & 1 == 0; // do not lint

tests/ui/trailing_zeros.stderr

@@ -1,13 +1,13 @@
 error: bit mask could be simplified with a call to `trailing_zeros`
-  --> $DIR/trailing_zeros.rs:7:5
+  --> $DIR/trailing_zeros.rs:5:13
    |
-LL |     (x & 0b1111 == 0); // suggest trailing_zeros
-   |     ^^^^^^^^^^^^^^^^^ help: try: `x.trailing_zeros() >= 4`
+LL |     let _ = (x & 0b1111 == 0); // suggest trailing_zeros
+   |             ^^^^^^^^^^^^^^^^^ help: try: `x.trailing_zeros() >= 4`
    |
    = note: `-D clippy::verbose-bit-mask` implied by `-D warnings`
 
 error: bit mask could be simplified with a call to `trailing_zeros`
-  --> $DIR/trailing_zeros.rs:8:13
+  --> $DIR/trailing_zeros.rs:6:13
    |
 LL |     let _ = x & 0b1_1111 == 0; // suggest trailing_zeros
    |             ^^^^^^^^^^^^^^^^^ help: try: `x.trailing_zeros() >= 5`