Framework began shipping its new Laptop 13 Pro this week. And the Ubuntu variant is outselling the Windows variant, reports PC World: [I]t’s selling quickly by Framework’s internal metrics, with six batches of the Intel version of the laptop already sold out. [A later Framework social media post added “Spoke too soon, we’re onto Batch 8.”] “Also nice validation of our approach, the Ubuntu configurations are outselling the Windows ones!” That’s not really surprising, for a few reasons. One, if you’re buying a Framework laptop, you have a good reason to order it without an OS, even if you want…