References spotted in the iOS 7 SDK appear to show that Apple is testing a new, faster iPad mini without a Retina display, 9to5Mac reports. The code refers to the same A6 processor found in Apple’s iPhone 5, which would be faster than the current iPad mini processor. A lack of “@2x” references — generally how developers reference a Retina display — hint that this device would be non-Retina. As the report notes, there is no way…