Removed U8 and U16

src/USBPlayground.c

src/avrVirtualUSB.avrsuo

src/usb/config.h

src/usb/ringBuffer.c

src/usb/ringBuffer.h

src/usb/typedefs.h

src/usb/usb.c

src/usb/usb_common.c

src/usb/usb_common.h

src/usb/usb_descriptors.h

src/usb/usb_device_requests.c

src/usb/usb_device_requests.h

src/usb/usb_requests.c

src/usb/usb_requests.h