How to Hide SliderPro Admin Menus

function plt_hide_sliderpro_menus() {
	//Hide "Slider Pro".
	remove_menu_page('sliderpro');
	//Hide "Slider Pro → All Sliders".
	remove_submenu_page('sliderpro', 'sliderpro');
	//Hide "Slider Pro → Add New".
	remove_submenu_page('sliderpro', 'sliderpro-new');
	//Hide "Slider Pro → Plugin Settings".
	remove_submenu_page('sliderpro', 'sliderpro-settings');
	//Hide "Slider Pro → Add-ons".
	remove_submenu_page('sliderpro', 'sliderpro-add-ons');
	//Hide "Slider Pro → Documentation".
	remove_submenu_page('sliderpro', 'sliderpro-documentation');
}

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

Where do I put this code?