cleanup: remove unnecessary file

Author: alphaville

open-codegen/opengen/builder/optimizer_builder.py

@@ -689,11 +689,11 @@ def __generate_code_python_bindings(self):
         with open(target_python_rs_path, "w") as fh:
             fh.write(python_rs_output_template)
 
-        # move cargo_config into .cargo/config
+        # copy cargo_config into .cargo/config
         target_cargo_config_dir = os.path.join(python_bindings_dir, '.cargo')
         make_dir_if_not_exists(target_cargo_config_dir)
         cargo_config_file = os.path.join(
-            og_dfn.templates_dir(), 'python', 'cargo_config')
+            og_dfn.templates_dir(), 'cargo_config.toml')
         shutil.copy(cargo_config_file, os.path.join(
             target_cargo_config_dir, 'config.toml'))