Apple will drop Google Maps as the backend to its built-in Maps application for the iPhone, iPad, and iPod touch, according to a new report. Citing trusted sources, 9to5Mac reports that Apple will make the move in iOS 6, and will replace Google’s mapping solution with an in-house mapping service built upon technology from acquisitions Placebase, C3 Technologies, and Poly9. The report claims that the application design is “fairly similar”…