How to Hide Shoutcast and Icecast HTML5 Web Radio Player by YesStreaming.com Admin Menus

function plt_hide_shoutcast_and_icecast_html5_web_radio_player_by_yesstreaming_com_menus() {
	//Hide the "YesStreaming Radio Player" menu.
	remove_menu_page('edit.php?post_type=yeshtml5_player_lite');
	//Hide the "YesStreaming Radio Player → All Radio Players" menu.
	remove_submenu_page('edit.php?post_type=yeshtml5_player_lite', 'edit.php?post_type=yeshtml5_player_lite');
	//Hide the "YesStreaming Radio Player → Add New Player" menu.
	remove_submenu_page('edit.php?post_type=yeshtml5_player_lite', 'post-new.php?post_type=yeshtml5_player_lite');
}

add_action('admin_menu', 'plt_hide_shoutcast_and_icecast_html5_web_radio_player_by_yesstreaming_com_menus', 15);

Where do I put this code?