How to Hide Integration of Bitrix24 with Contact Form 7 Admin Menus

function plt_hide_cf7_bitrix24_integration_menus() {
	//Hide "CF7 Bitrix24 Integration".
	remove_menu_page('cf7_bitrix24_integration_plugin');
	//Hide "CF7 Bitrix24 Integration → CF7 Bitrix24 Integration".
	remove_submenu_page('cf7_bitrix24_integration_plugin', 'cf7_bitrix24_integration_plugin');
	//Hide "CF7 Bitrix24 Integration → CF7 Bitrix24 Pro".
	remove_submenu_page('cf7_bitrix24_integration_plugin', 'cf7_bitrix24_pro_settings');
	//Hide "CF7 Bitrix24 Integration → Сопоставление полей".
	remove_submenu_page('cf7_bitrix24_integration_plugin', 'cf7_bitrix24_field_mapping');
	//Hide "CF7 Bitrix24 Integration → Документация".
	remove_submenu_page('cf7_bitrix24_integration_plugin', 'cf7_bitrix24_docs');
}

add_action('admin_menu', 'plt_hide_cf7_bitrix24_integration_menus', 11);

Where do I put this code?