Run fmt and update test

Author: flip1995

tests/ui/extra_unused_lifetimes.rs

@@ -1,9 +1,4 @@
-#![allow(
-    unused,
-    dead_code,
-    clippy::needless_lifetimes,
-    clippy::needless_pass_by_value
-)]
+#![allow(unused, dead_code, clippy::needless_lifetimes, clippy::needless_pass_by_value)]
 #![warn(clippy::extra_unused_lifetimes)]
 
 fn empty() {}

tests/ui/extra_unused_lifetimes.stderr

@@ -1,25 +1,25 @@
 error: this lifetime isn't used in the function definition
-  --> $DIR/extra_unused_lifetimes.rs:13:14
+  --> $DIR/extra_unused_lifetimes.rs:8:14
    |
 LL | fn unused_lt<'a>(x: u8) {}
    |              ^^
    |
    = note: `-D clippy::extra-unused-lifetimes` implied by `-D warnings`
 
 error: this lifetime isn't used in the function definition
-  --> $DIR/extra_unused_lifetimes.rs:15:25
+  --> $DIR/extra_unused_lifetimes.rs:10:25
    |
 LL | fn unused_lt_transitive<'a, 'b: 'a>(x: &'b u8) {
    |                         ^^
 
 error: this lifetime isn't used in the function definition
-  --> $DIR/extra_unused_lifetimes.rs:40:10
+  --> $DIR/extra_unused_lifetimes.rs:35:10
    |
 LL |     fn x<'a>(&self) {}
    |          ^^
 
 error: this lifetime isn't used in the function definition
-  --> $DIR/extra_unused_lifetimes.rs:66:22
+  --> $DIR/extra_unused_lifetimes.rs:61:22
    |
 LL |         fn unused_lt<'a>(x: u8) {}
    |                      ^^