Revert "Async buffering for high-speed transfers."

This reverts commit b9a840cc79bb96f135fe4abd4248881240026112.

Conflicts:
	src/libusb-glue.h

The only non-obvious conflict is because of later changes to how
libusb.h is included

Signed-off-by: Linus Walleij <triad@df.lth.se>
2 files changed