How to Hide Askany Admin Menus

function plt_hide_askany_menus() {
	//Hide "Askany AI".
	remove_menu_page('askany-settings');
	//Hide "Askany AI → Settings".
	remove_submenu_page('askany-settings', 'askany-settings');
	//Hide "Askany AI → Content Index".
	remove_submenu_page('askany-settings', 'askany-content-index');
	//Hide "Askany AI → PDF Files".
	remove_submenu_page('askany-settings', 'askany-pdf-files');
	//Hide "Askany AI → Q&A Management".
	remove_submenu_page('askany-settings', 'askany-qa-management');
	//Hide "Askany AI → Home Page Settings".
	remove_submenu_page('askany-settings', 'askany-home-settings');
	//Hide "Askany AI → Live Chat Management".
	remove_submenu_page('askany-settings', 'askany-live-chat');
	//Hide "Askany AI → User List & Agents".
	remove_submenu_page('askany-settings', 'askany-user-agents');
	//Hide "Askany AI → Chat Logs".
	remove_submenu_page('askany-settings', 'askany-chat-logs');
	//Hide "Askany AI → Upgrade".
	remove_submenu_page('askany-settings', 'askany-settings-pricing');
}

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