Revert "gpio: expose pull-up/pull-down line flags to userspace"

This reverts commit 8c550e94b8835170593169a45b5ba30d3fc72a70.

This was prematurely applied and we need to back it out to merge
a better version of the development track for this feature.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2 files changed