Tips on Customizing Article Forge

How to Hide Article Forge Admin Menus

function plt_hide_article_forge_menus() {
	//Hide "Settings → Article Forge".
	remove_submenu_page('options-general.php', 'articleforge');

	//Hide "Articles".
	remove_menu_page('edit.php?post_type=articleforge_summary');
	//Hide "Articles → All Articles".
	remove_submenu_page('edit.php?post_type=articleforge_summary', 'edit.php?post_type=articleforge_summary');
	//Hide "Articles → Create New Article".
	remove_submenu_page('edit.php?post_type=articleforge_summary', 'post-new.php?post_type=articleforge_summary');
	//Hide "Articles → Categories".
	remove_submenu_page('edit.php?post_type=articleforge_summary', 'edit-tags.php?taxonomy=category&post_type=articleforge_summary');
	//Hide "Articles → Tags".
	remove_submenu_page('edit.php?post_type=articleforge_summary', 'edit-tags.php?taxonomy=post_tag&post_type=articleforge_summary');
}

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

Where do I put this code?

How to Hide Article Forge Meta Boxes

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

	//Hide the "Contents" meta box.
	remove_meta_box('articleforge_content-list', $screen->id, 'side');
	//Hide the "Options" meta box.
	remove_meta_box('articleforge_article-options', $screen->id, 'side');
	//Hide the "Article" meta box.
	remove_meta_box('articleforge_parent-article', $screen->id, 'side');
	//Hide the "Position" meta box.
	remove_meta_box('articleforge_content-order', $screen->id, 'side');
}

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