Removes WooCommerce navigation items (#2800)

* Removes WooCommerce navigation code
* Removes Navigation class import

includes/Admin/Settings.php

@@ -11,7 +11,6 @@
 namespace WooCommerce\Facebook\Admin;
 
 use Automattic\WooCommerce\Admin\Features\Features as WooAdminFeatures;
-use Automattic\WooCommerce\Admin\Features\Navigation\Menu as WooAdminMenu;
 use WooCommerce\Facebook\Admin\Settings_Screens;
 use WooCommerce\Facebook\Admin\Settings_Screens\Connection;
 use WooCommerce\Facebook\Framework\Helper;
@@ -40,13 +39,6 @@ class Settings {
 	/** @var Abstract_Settings_Screen[] */
 	private $screens;
 
-	/**
-	 * Whether the new Woo nav should be used.
-	 *
-	 * @var bool
-	 */
-	public $use_woo_nav;
-
 	/**
 	 * Settings constructor.
 	 *
@@ -91,9 +83,7 @@ private function build_menu_item_array( bool $is_connected ): array {
 	public function add_menu_item() {
 		$root_menu_item       = 'woocommerce';
 		$is_marketing_enabled = false;
-		$this->use_woo_nav    = class_exists( WooAdminFeatures::class )
-			&& class_exists( WooAdminMenu::class )
-			&& WooAdminFeatures::is_enabled( 'navigation' );
+
 		if ( Compatibility::is_enhanced_admin_available() ) {
 			if ( class_exists( WooAdminFeatures::class ) ) {
 				$is_marketing_enabled = WooAdminFeatures::is_enabled( 'marketing' );
@@ -115,7 +105,6 @@ public function add_menu_item() {
 			5
 		);
 		$this->connect_to_enhanced_admin( $is_marketing_enabled ? 'marketing_page_wc-facebook' : 'woocommerce_page_wc-facebook' );
-		$this->register_woo_nav_menu_items();
 
 		if ( $is_marketing_enabled ) {
 			$this->add_fb_product_sets_to_marketing_menu();
@@ -218,13 +207,11 @@ public function render() {
 		$screen = $this->get_screen( $current_tab );
 		?>
 		<div class="wrap woocommerce">
-			<?php if ( ! $this->use_woo_nav ) : ?>
-				<nav class="nav-tab-wrapper woo-nav-tab-wrapper">
-					<?php foreach ( $tabs as $id => $label ) : ?>
-						<a href="<?php echo esc_html( admin_url( 'admin.php?page=' . self::PAGE_ID . '&tab=' . esc_attr( $id ) ) ); ?>" class="nav-tab <?php echo $current_tab === $id ? 'nav-tab-active' : ''; ?>"><?php echo esc_html( $label ); ?></a>
-					<?php endforeach; ?>
-				</nav>
-			<?php endif; ?>
+			<nav class="nav-tab-wrapper woo-nav-tab-wrapper">
+				<?php foreach ( $tabs as $id => $label ) : ?>
+					<a href="<?php echo esc_html( admin_url( 'admin.php?page=' . self::PAGE_ID . '&tab=' . esc_attr( $id ) ) ); ?>" class="nav-tab <?php echo $current_tab === $id ? 'nav-tab-active' : ''; ?>"><?php echo esc_html( $label ); ?></a>
+				<?php endforeach; ?>
+			</nav>
 			<?php facebook_for_woocommerce()->get_message_handler()->show_messages(); ?>
 			<?php if ( $screen ) : ?>
 				<h1 class="screen-reader-text"><?php echo esc_html( $screen->get_title() ); ?></h1>
@@ -333,38 +320,4 @@ public function get_tabs() {
 		 */
 		return (array) apply_filters( 'wc_facebook_admin_settings_tabs', $tabs, $this );
 	}
-
-	/**
-	 * Register nav items for new Woo nav.
-	 *
-	 * @since 2.3.3
-	 */
-	private function register_woo_nav_menu_items() {
-		if ( ! $this->use_woo_nav ) {
-			return;
-		}
-		WooAdminMenu::add_plugin_category(
-			array(
-				'id'         => 'facebook-for-woocommerce',
-				'title'      => __( 'Facebook', 'facebook-for-woocommerce' ),
-				'capability' => 'manage_woocommerce',
-			)
-		);
-		$order = 1;
-		foreach ( $this->get_screens() as $screen_id => $screen ) {
-			$url = $screen instanceof Settings_Screens\Product_Sets
-				? 'edit-tags.php?taxonomy=fb_product_set&post_type=product'
-				: 'wc-facebook&tab=' . $screen->get_id();
-			WooAdminMenu::add_plugin_item(
-				array(
-					'id'     => 'facebook-for-woocommerce-' . $screen->get_id(),
-					'parent' => 'facebook-for-woocommerce',
-					'title'  => $screen->get_label(),
-					'url'    => $url,
-					'order'  => $order,
-				)
-			);
-			++$order;
-		}
-	}
 }