scripts to change model config from keras 2->3 compliant

removes_groups_from_model_config.py

                # hack to change model config from keras 2->3 compliant
                import h5py
                f = h5py.File(savedModelPath, mode="r+")
                model_config_string = f.attrs.get("model_config")
                if model_config_string.find('"groups": 1,') != -1:
                    model_config_string = model_config_string.replace('"groups": 1,', '')
                    f.attrs.modify('model_config', model_config_string)
                    f.flush()
                    model_config_string = f.attrs.get("model_config")
                    assert model_config_string.find('"groups": 1,') == -1
                
                f.close()