docs(build-rs): Correct documentation for manifest_links

Author: epage

crates/build-rs/src/input.rs

@@ -106,16 +106,7 @@ pub fn cargo_manifest_dir() -> PathBuf {
     get_path("CARGO_MANIFEST_DIR")
 }
 
-/// Contains parameters needed for Cargo’s [jobserver] implementation to parallelize
-/// subprocesses.
-///
-/// Rustc or cargo invocations from build.rs can already read
-/// `CARGO_MAKEFLAGS`, but GNU Make requires the flags to be specified either
-/// directly as arguments, or through the `MAKEFLAGS` environment variable.
-/// Currently Cargo doesn’t set the `MAKEFLAGS` variable, but it’s free for build
-/// scripts invoking GNU Make to set it to the contents of `CARGO_MAKEFLAGS`.
-///
-/// [jobserver]: https://www.gnu.org/software/make/manual/html_node/Job-Slots.html
+/// The manifest `links` value.
 #[track_caller]
 pub fn cargo_manifest_links() -> Option<String> {
     get_opt_str("CARGO_MANIFEST_LINKS")