docs: Cleanup unused links

Author: epage

clap_builder/src/builder/command.rs

@@ -2113,8 +2113,6 @@ impl Command {
     ///     )
     /// # ;
     /// ```
-    ///
-    /// [`ArgMatches::usage`]: ArgMatches::usage()
     #[must_use]
     pub fn override_usage(mut self, usage: impl IntoResettable<StyledStr>) -> Self {
         self.usage_str = usage.into_resettable().into_option();
@@ -3746,8 +3744,6 @@ impl Command {
     }
 
     /// Get the custom section heading specified via [`Command::next_help_heading`].
-    ///
-    /// [`Command::help_heading`]: Command::help_heading()
     #[inline]
     pub fn get_next_help_heading(&self) -> Option<&str> {
         self.current_help_heading.as_deref()

clap_builder/src/error/kind.rs

@@ -252,7 +252,6 @@ pub enum ErrorKind {
     /// # }
     /// ```
     ///
-    /// [`Arg::allow_invalid_utf8`]: crate::Arg::allow_invalid_utf8
     /// [`Command::external_subcommand_value_parser`]: crate::Command::external_subcommand_value_parser
     InvalidUtf8,
 

clap_builder/src/parser/matches/arg_matches.rs

@@ -308,7 +308,6 @@ impl ArgMatches {
     /// ```
     /// [`Iterator`]: std::iter::Iterator
     /// [`OsSt`]: std::ffi::OsStr
-    /// [values]: OsValues
     /// [`String`]: std::string::String
     #[cfg_attr(debug_assertions, track_caller)]
     pub fn get_raw(&self, id: &str) -> Option<RawValues<'_>> {
@@ -363,7 +362,6 @@ impl ArgMatches {
     /// ```
     /// [`Iterator`]: std::iter::Iterator
     /// [`OsStr`]: std::ffi::OsStr
-    /// [values]: OsValues
     /// [`String`]: std::string::String
     #[cfg_attr(debug_assertions, track_caller)]
     pub fn get_raw_occurrences(&self, id: &str) -> Option<RawOccurrences<'_>> {
@@ -853,7 +851,6 @@ impl ArgMatches {
     /// assert_eq!(m.indices_of("option").unwrap().collect::<Vec<_>>(), &[2]);
     /// ```
     /// [`ArgMatches::index_of`]: ArgMatches::index_of()
-    /// [delimiter]: Arg::value_delimiter()
     #[cfg_attr(debug_assertions, track_caller)]
     pub fn indices_of(&self, id: &str) -> Option<Indices<'_>> {
         let arg = some!(self.get_arg(id));