staging: r8188eu: include: remove duplicate declaration.

Remove below duplicate declaration from rtl8188e_led.h file

void SwLedOn(struct adapter *padapter, struct LED_871x *pLed);
void SwLedOff(struct adapter *padapter, struct LED_871x *pLed);

Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/YTRuXTu/kePBDwAF@user


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