Apple will not be debuting a new version of its Apple TV at next week's iPhone event, reports AllThingsD. Earlier this week, a "mysterious" set top box shipment from a new supplier suggested Apple could be planning to introduce an upgraded Apple TV, but it appears that the shipment likely consisted of existing hardware rather than a new product.Despite speculation about new Apple TV hardware on the way, Apple won't be unveiling any new boxes next week, according to people familiar with the company's plans. That said, the company will be tweaking the software inside its Web TV bo