run cargo dev fmt

KisaragiEffective · KisaragiEffective · commit a5d05f2f921a · 2023-06-14T12:36:17.000+09:00
diff --git a/tests/ui/doc/needless_doctest_main.rs b/tests/ui/doc/needless_doctest_main.rs
@@ -8,7 +8,6 @@
 //!     m.insert(1u32, 2u32);
 //! }
 //! ```
-//!
 
 /// some description here
 /// ```rust,no_test
