staging: r8188eu: remove duplicate bSurpriseRemoved check

We don't have to check bSurpriseRemoved in the SwLedOn function.

SwLedOn calls rtw_read8 which in turn calls usb_read. This function checks
bSurpriseRemoved for us.

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/20220918175700.215170-6-martin@kaiser.cx


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