Remove UA tracking from abstract class

includes/class-wc-abstract-google-analytics-js.php

@@ -93,11 +93,7 @@ abstract public static function load_analytics( $order = false );
 	 * @param  WC_Order $order WC_Order Object
 	 */
 	public function add_transaction( $order ) {
-		if ( 'yes' === self::get( 'ga_enhanced_ecommerce_tracking_enabled' ) || 'yes' === self::get( 'ga_gtag_enabled' ) ) {
-			wc_enqueue_js( static::add_transaction_enhanced( $order ) );
-		} else {
-			wc_enqueue_js( self::add_transaction_universal( $order ) );
-		}
+		wc_enqueue_js( static::add_transaction_enhanced( $order ) );
 	}
 
 	/**
@@ -128,55 +124,6 @@ public static function get_product_identifier( $product ) {
 		return apply_filters( 'woocommerce_ga_product_identifier', $identifier, $product );
 	}
 
-	/**
-	 * Generate Universal Analytics add item tracking code
-	 *
-	 * @param  WC_Order      $order     WC_Order Object
-	 * @param  WC_Order_Item $item The item to add to a transaction/order
-	 * @return string
-	 */
-	protected function add_item_universal( $order, $item ) {
-		$_product = version_compare( WC_VERSION, '3.0', '<' ) ? $order->get_product_from_item( $item ) : $item->get_product();
-
-		$code  = "ga('ecommerce:addItem', {";
-		$code .= "'id': '" . esc_js( $order->get_order_number() ) . "',";
-		$code .= "'name': '" . esc_js( $item['name'] ) . "',";
-		$code .= "'sku': '" . esc_js( $_product->get_sku() ? $_product->get_sku() : $_product->get_id() ) . "',";
-		$code .= "'category': " . self::product_get_category_line( $_product );
-		$code .= "'price': '" . esc_js( $order->get_item_total( $item ) ) . "',";
-		$code .= "'quantity': '" . esc_js( $item['qty'] ) . "'";
-		$code .= '});';
-
-		return $code;
-	}
-
-	/**
-	 * Generate Universal Analytics transaction tracking code
-	 *
-	 * @param  WC_Order $order WC_Order object
-	 * @return string          Add Transaction tracking code
-	 */
-	protected function add_transaction_universal( $order ) {
-		$code = "ga('ecommerce:addTransaction', {
-			'id': '" . esc_js( $order->get_order_number() ) . "',         // Transaction ID. Required
-			'affiliation': '" . esc_js( get_bloginfo( 'name' ) ) . "',    // Affiliation or store name
-			'revenue': '" . esc_js( $order->get_total() ) . "',           // Grand Total
-			'shipping': '" . esc_js( $order->get_total_shipping() ) . "', // Shipping
-			'tax': '" . esc_js( $order->get_total_tax() ) . "',           // Tax
-			'currency': '" . esc_js( version_compare( WC_VERSION, '3.0', '<' ) ? $order->get_order_currency() : $order->get_currency() ) . "'  // Currency
-		});";
-
-		// Order items
-		if ( $order->get_items() ) {
-			foreach ( $order->get_items() as $item ) {
-				$code .= self::add_item_universal( $order, $item );
-			}
-		}
-
-		$code .= "ga('ecommerce:send');";
-		return $code;
-	}
-
 	/**
 	 * Returns a 'category' JSON line based on $product
 	 *