bindings: python: examples: remove unnecessary import
bindings: python: examples: remove unnecessary import

We no longer need sys in gpiod_tests.py. Remove it.

Signed-off-by: Bartosz Golaszewski <108de5fbc428215dc26df4468b48691526611148@gmail.com>

brgl/libgpiod,brgl/libgpiod,brgl/libgpiod,brgl/libgpiod