How to Hide SEOMedic — SEO Booster & Link Auditor Admin Menus

function plt_hide_seomedic_seo_link_auditor_menus() {
	//Hide "SEOMedic".
	remove_menu_page('seomedic');
	//Hide "SEOMedic → Dashboard".
	remove_submenu_page('seomedic', 'seomedic');
	//Hide "SEOMedic → Analytics".
	remove_submenu_page('seomedic', 'seomedic-analytics');
	//Hide "SEOMedic → Settings".
	remove_submenu_page('seomedic', 'seomedic-settings');
	//Hide "SEOMedic → ★ Upgrade to Pro".
	remove_submenu_page('seomedic', 'admin.php?page=seomedic-settings#pro');
	//Hide "SEOMedic → Contact Us".
	remove_submenu_page('seomedic', 'seomedic-contact');
	//Hide "SEOMedic → Support Forum".
	remove_submenu_page('seomedic', 'seomedic-wp-support-forum');
	//Hide "SEOMedic → Upgrade".
	remove_submenu_page('seomedic', 'seomedic-pricing');
}

add_action('admin_menu', 'plt_hide_seomedic_seo_link_auditor_menus', 1000000000);
Where do I put this code?