Revert certain changes on Apply changes on docs

Author: b-NC

clippy_lints/src/methods/mod.rs

@@ -369,6 +369,17 @@ declare_clippy_lint! {
     ///
     /// ### Why is this bad?
     /// Because .expect_err() can be called directly.
+    ///
+    /// ### Example
+    /// ```should_panic
+    /// let x: Result<u32, &str> = Ok(10);
+    /// x.err().expect("Testing err().expect()");
+    /// ```
+    /// Use instead:
+    /// ```should_panic
+    /// let x: Result<u32, &str> = Ok(10);
+    /// x.expect_err("Testing expect_err");
+    /// ```
     #[clippy::version = "1.61.0"]
     pub ERR_EXPECT,
     style,