Remove comments

Signed-off-by: Andy Lok <andylokandy@hotmail.com>

Author: andylokandy

src/lib.rs

@@ -14,10 +14,6 @@ fn tikv_client(_py: Python, m: &PyModule) -> PyResult<()> {
     unsafe {
         pyo3::ffi::PyEval_InitThreads();
     }
-    // pyo3::prepare_freethreaded_python();
-    // Python::with_gil(|py| {
-    //     py.run("print('Hello World')", None, None)
-    // }).unwrap();
     m.add_class::<raw::RawClient>()?;
     m.add_class::<transaction::TransactionClient>()?;
     Ok(())