Remove invalid id field from benchmark query

Simplified query to only select essential fields:
- product_view.offer_id
- product_view.gtin
- product_view.title
- benchmark_price

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

includes/class-informatiq-sp-google-api.php

@@ -473,11 +473,9 @@ class Informatiq_SP_Google_API {
 				// Fields from product are prefixed with product_view.
 				$query = array(
 					'query' => "SELECT
-						product_view.id,
 						product_view.offer_id,
 						product_view.gtin,
 						product_view.title,
-						product_view.price,
 						benchmark_price
 					FROM price_competitiveness_product_view",
 				);