How to Hide Hustle Admin Menus

function plt_hide_wordpress_popup_menus() {
	//Hide "Hustle".
	remove_menu_page('hustle');
	//Hide "Hustle → Dashboard".
	remove_submenu_page('hustle', 'hustle');
	//Hide "Hustle → Pop-ups".
	remove_submenu_page('hustle', 'hustle_popup_listing');
	//Hide "Hustle → Slide-ins".
	remove_submenu_page('hustle', 'hustle_slidein_listing');
	//Hide "Hustle → Embeds".
	remove_submenu_page('hustle', 'hustle_embedded_listing');
	//Hide "Hustle → Social Sharing".
	remove_submenu_page('hustle', 'hustle_sshare_listing');
	//Hide "Hustle → Integrations".
	remove_submenu_page('hustle', 'hustle_integrations');
	//Hide "Hustle → Email Lists".
	remove_submenu_page('hustle', 'hustle_entries');
	//Hide "Hustle → Settings".
	remove_submenu_page('hustle', 'hustle_settings');
	//Hide "Hustle → Hustle Pro".
	remove_submenu_page('hustle', 'hustle_pro');
}

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

Where do I put this code?