remove unnecessary notations (#13801)

fix #13799

changelog: none

clippy_lints/src/disallowed_macros.rs

@@ -43,7 +43,6 @@ declare_clippy_lint! {
     /// ```no_run
     /// use serde::Serialize;
     ///
-    /// // Example code where clippy issues a warning
     /// println!("warns");
     ///
     /// // The diagnostic will contain the message "no serializing"

clippy_lints/src/disallowed_methods.rs

@@ -35,7 +35,6 @@ declare_clippy_lint! {
     /// ```
     ///
     /// ```rust,ignore
-    /// // Example code where clippy issues a warning
     /// let xs = vec![1, 2, 3, 4];
     /// xs.leak(); // Vec::leak is disallowed in the config.
     /// // The diagnostic contains the message "no leaking memory".
@@ -47,7 +46,6 @@ declare_clippy_lint! {
     ///
     /// Use instead:
     /// ```rust,ignore
-    /// // Example code which does not raise clippy warning
     /// let mut xs = Vec::new(); // Vec::new is _not_ disallowed in the config.
     /// xs.push(123); // Vec::push is _not_ disallowed in the config.
     /// ```

clippy_lints/src/methods/mod.rs

@@ -1864,7 +1864,6 @@ declare_clippy_lint! {
     ///
     /// ### Example
     /// ```no_run
-    /// // example code where clippy issues a warning
     /// let opt: Option<u32> = None;
     ///
     /// opt.unwrap_or_else(|| 42);
@@ -3839,13 +3838,11 @@ declare_clippy_lint! {
     ///
     /// ### Example
     /// ```no_run
-    /// // example code where clippy issues a warning
     /// vec![Some(1)].into_iter().filter(Option::is_some);
     ///
     /// ```
     /// Use instead:
     /// ```no_run
-    /// // example code which does not raise clippy warning
     /// vec![Some(1)].into_iter().flatten();
     /// ```
     #[clippy::version = "1.77.0"]
@@ -3865,13 +3862,11 @@ declare_clippy_lint! {
     ///
     /// ### Example
     /// ```no_run
-    /// // example code where clippy issues a warning
     /// vec![Ok::<i32, String>(1)].into_iter().filter(Result::is_ok);
     ///
     /// ```
     /// Use instead:
     /// ```no_run
-    /// // example code which does not raise clippy warning
     /// vec![Ok::<i32, String>(1)].into_iter().flatten();
     /// ```
     #[clippy::version = "1.77.0"]

clippy_lints/src/missing_const_for_thread_local.rs

@@ -27,14 +27,12 @@ declare_clippy_lint! {
     ///
     /// ### Example
     /// ```no_run
-    /// // example code where clippy issues a warning
     /// thread_local! {
     ///     static BUF: String = String::new();
     /// }
     /// ```
     /// Use instead:
     /// ```no_run
-    /// // example code which does not raise clippy warning
     /// thread_local! {
     ///     static BUF: String = const { String::new() };
     /// }

clippy_lints/src/strings.rs

@@ -370,12 +370,10 @@ declare_clippy_lint! {
     ///
     /// ### Example
     /// ```no_run
-    /// // example code where clippy issues a warning
     /// let _ = "str".to_string();
     /// ```
     /// Use instead:
     /// ```no_run
-    /// // example code which does not raise clippy warning
     /// let _ = "str".to_owned();
     /// ```
     #[clippy::version = "pre 1.29.0"]
@@ -424,13 +422,11 @@ declare_clippy_lint! {
     ///
     /// ### Example
     /// ```no_run
-    /// // example code where clippy issues a warning
     /// let msg = String::from("Hello World");
     /// let _ = msg.to_string();
     /// ```
     /// Use instead:
     /// ```no_run
-    /// // example code which does not raise clippy warning
     /// let msg = String::from("Hello World");
     /// let _ = msg.clone();
     /// ```