remove commented out code

Author: 5225225

src/tools/run-make-support/src/rustdoc.rs

@@ -77,16 +77,8 @@ fn setup_common_rustdoc_build_cmd() -> Command {
     let rustdoc = env::var("RUSTDOC").unwrap();
     let target_rpath_dir = env::var("TARGET_RPATH_DIR").unwrap();
 
-    //let ld_lib_path_envvar = env::var("LD_LIB_PATH_ENVVAR").unwrap();
-    // let ld_lib_path_value = env::var(&ld_lib_path_envvar).unwrap();
-
-    //let temp = env::var("TMPDIR").unwrap();
-    //let host_rpath_dir = env::var("HOST_RPATH_DIR").unwrap();
-
     let mut cmd = Command::new(rustdoc);
 
-    // cmd.env(ld_lib_path_envvar, format!("{temp}:{host_rpath_dir}:{ld_lib_path_value}"));
-
     add_host_rpath_env(&mut cmd);
 
     cmd.arg("-L").arg(target_rpath_dir);