Apple may launch both developer-accessible Siri APIs and Siri for iPad with the release of iOS 6, according to a new report. Citing an anonymous source, TechCrunch reports that the software, codenamed “Sundance”, will indeed feature a new, Apple-based replacement for Google Maps in the Maps application, and while the 3D mapping feature is said to be neat, it is also unlikely to be used very often. The report goes on to state that there…