Vons groceries store. Photo credit: Alexander Nguyen Kroger — parent company of Ralphs and Albertsons — parent of Vons — are expanding their planned sale of grocery stores, offloading 166 more locations than previously agreed upon to C&S Wholesale Grocers as they work to get regulatory approval for their proposed $25 billion merger, the companies said on Monday. The companies have been looking to sell stores to address regulators’ increasing con…