remove an unused variable
Deleted lines are duplicates of the lines 38 & 39.
diff --git a/src/tools/compiletest/src/runtest/rustdoc_json.rs b/src/tools/compiletest/src/runtest/rustdoc_json.rs
index 6cb0c2a..89e9f31 100644
--- a/src/tools/compiletest/src/runtest/rustdoc_json.rs
+++ b/src/tools/compiletest/src/runtest/rustdoc_json.rs
@@ -18,8 +18,6 @@ pub(super) fn run_rustdoc_json_test(&self) {
self.fatal_proc_rec("rustdoc failed!", &proc_res);
}
- let mut json_out = out_dir.join(self.testpaths.file.file_stem().unwrap());
- json_out.set_extension("json");
let res = self.run_command_to_procres(
Command::new(self.config.jsondocck_path.as_ref().unwrap())
.arg("--doc-dir")
