How to Hide Coyote Admin Menus

function plt_hide_coyote_menus() {
	//Hide the "Coyote" menu.
	remove_menu_page('coyote');
	//Hide the "Coyote → Coyote" menu.
	remove_submenu_page('coyote', 'coyote');
	//Hide the "Coyote → Advanced" menu.
	remove_submenu_page('coyote', 'coyote-advanced');
}

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

Where do I put this code?