Remove an extra blank line in shadow_same

giraffate · giraffate · commit fd151f5135de · 2020-09-15T08:51:52.000+09:00
diff --git a/clippy_lints/src/shadow.rs b/clippy_lints/src/shadow.rs
@@ -25,7 +25,6 @@ declare_clippy_lint! {
     /// **Example:**
     /// ```rust
     /// # let x = 1;
-    ///
     /// // Bad
     /// let x = &x;
     ///
