staging: r8188eu: don't check for stop/removal in the blink worker

staging: r8188eu: don't check for stop/removal in the blink worker

The blink_work function calls either SwLedOff or SwLedOn. These two
functions handle bSurpriseRemoved and bDriverStopped.

There's no need to check bSurpriseRemoved and bDriverStopped again in the
blink worker.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220925140406.112991-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>