How to Hide Captivate Sync™ Admin Menus

function plt_hide_captivatesync_trade_menus() {
	//Hide "Captivate Sync".
	remove_menu_page('cfm-hosting-podcasts');
	//Hide "Captivate Sync → My Podcasts".
	remove_submenu_page('cfm-hosting-podcasts', 'cfm-hosting-podcasts');
	//Hide "Captivate Sync → Categories".
	remove_submenu_page('cfm-hosting-podcasts', 'http://127.0.0.1/wp-admin/edit-tags.php?taxonomy=captivate_category');
	//Hide "Captivate Sync → Tags".
	remove_submenu_page('cfm-hosting-podcasts', 'http://127.0.0.1/wp-admin/edit-tags.php?taxonomy=captivate_tag');
	//Hide "Captivate Sync → Authentication".
	remove_submenu_page('cfm-hosting-podcasts', 'cfm-hosting-credentials');
}

add_action('admin_menu', 'plt_hide_captivatesync_trade_menus', 11);
Where do I put this code?