staging: r8188eu: bLedOpenDrain is always true for r8188eu

Remove the bLedOpenDrain variable and code that would be executed only
if bLedOpenDrain was false.

Acked-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20211205151251.6861-2-martin@kaiser.cx


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>