With today’s unveiling of the 9.7-inch iPad Pro, Apple has dropped the pricing of the iPad Air 2 to $399 and $499 for the 16GB and 64GB versions, respectively. The 128GB version of the iPad Air 2 has also been removed from the lineup, forcing users who want a larger-capacity 9.7-inch iPad to opt for the new iPad Pro instead — albeit it for only $50 more than the 128GB iPad Air 2 previously sold for. The new pricing actually puts the iPad Air…