remove make_run for test float parse

Co-authored-by: Onur Özkan <[email protected]>

Author: lucarlig

src/bootstrap/src/core/build_steps/tool.rs

@@ -1110,10 +1110,6 @@ impl Step for TestFloatParse {
         run.path("src/etc/test-float-parse")
     }
 
-    fn make_run(_run: RunConfig<'_>) {
-        unimplemented!()
-    }
-
     fn run(self, builder: &Builder<'_>) {
         let bootstrap_host = builder.config.build;
         let compiler = builder.compiler(builder.top_stage, bootstrap_host);