How to Hide CareerSitesPro Admin Menus

function plt_hide_careersitespro_menus() {
	//Hide the "CareerSitesPro" menu.
	remove_menu_page('csp_home');
	//Hide the "CareerSitesPro → CareerSitesPro" menu.
	remove_submenu_page('csp_home', 'csp_home');
	//Hide the "CareerSitesPro → Settings" menu.
	remove_submenu_page('csp_home', 'csp_settings');
}

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

Where do I put this code?