Tips on Customizing AWS for WordPress

How to Hide AWS for WordPress Admin Menus

function plt_hide_amazon_polly_menus() {
	//Hide "AWS".
	remove_menu_page('amazon_ai');
	//Hide "AWS → General".
	remove_submenu_page('amazon_ai', 'amazon_ai');
	//Hide "AWS → Text-To-Speech".
	remove_submenu_page('amazon_ai', 'amazon_ai_polly');
	//Hide "AWS → Translate".
	remove_submenu_page('amazon_ai', 'amazon_ai_translate');
	//Hide "AWS → Podcast".
	remove_submenu_page('amazon_ai', 'amazon_ai_podcast');
	//Hide "AWS → Alexa Integration".
	remove_submenu_page('amazon_ai', 'amazon_ai_alexa');
	//Hide "AWS → CloudFront".
	remove_submenu_page('amazon_ai', 'amazon_cloudfront');
}

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

Where do I put this code?

How to Hide the "Amazon Polly" Meta Box

function plt_hide_amazon_polly_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Amazon Polly" meta box.
	remove_meta_box('amazon_polly_box_id', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_amazon_polly_metaboxes', 20);