Asus just opened pre-orders for the Zenfone 10 in the United States this month, but the device will apparently mark the end of an era as a new report claims Asus has pulled the plug on that lineup. Taiwanese media has reported that Asus is undergoing an “organizational restructuring” that has cut down the number of employees in the company’s PC department across Taiwan and China. An internal Asus letter apparently revealed plans to move many employees to the company’s mobile phone divisions – split into Zenfone and ROG Phone – but were instead laid off. That is, apparently, because…