How to Hide Smash Balloon Instagram Feed Admin Menus

function plt_hide_instagram_feed_menus() {
	//Hide "Instagram Feed".
	remove_menu_page('sb-instagram-feed');
	//Hide "Instagram Feed → Settings".
	remove_submenu_page('sb-instagram-feed', 'sb-instagram-feed');
	//Hide "Instagram Feed → About Us".
	remove_submenu_page('sb-instagram-feed', 'sb-instagram-feed-about');
	//Hide "Instagram Feed → oEmbeds".
	remove_submenu_page('sb-instagram-feed', 'sbi-oembeds');
	//Hide "Instagram Feed → Facebook Feed".
	remove_submenu_page('sb-instagram-feed', 'admin.php?page=sb-instagram-feed&tab=more');
	//Hide "Instagram Feed → Twitter Feed".
	remove_submenu_page('sb-instagram-feed', 'admin.php?page=sb-instagram-feed&tab=more');
	//Hide "Instagram Feed → YouTube Feed".
	remove_submenu_page('sb-instagram-feed', 'admin.php?page=sb-instagram-feed&tab=more');
	//Hide "Instagram Feed → Social Wall".
	remove_submenu_page('sb-instagram-feed', 'sbi-sw');
}

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

Where do I put this code?