Avoid rereading yaml

Author: ratmice

lrpar/cttests/src/cgen_helper.rs

@@ -85,8 +85,6 @@ pub(crate) fn run_test_path<P: AsRef<Path>>(path: P) -> Result<(), Box<dyn std::
         outl.set_extension("rs");
         let mut cl_build = CTLexerBuilder::new()
             .lrpar_config(|mut cp_build| {
-                let s = fs::read_to_string(path.as_ref()).unwrap();
-                let docs = YamlLoader::load_from_str(&s).unwrap();
                 let mut outp = PathBuf::from(&out_dir);
                 outp.push(format!("{}.y.rs", base));
                 outp.set_extension("rs");