staging: r8188eu: remove fw_ps_awake variable of rtl8188e_HalDmWatchDog function

Value of the fw_ps_awake does not used.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188e_dm.c

@@ -143,7 +143,6 @@ void rtl8188e_InitHalDm(struct adapter *Adapter)
 
 void rtl8188e_HalDmWatchDog(struct adapter *Adapter)
 {
-	bool fw_ps_awake = true;
 	u8 hw_init_completed = false;
 	struct hal_data_8188e *hal_data = GET_HAL_DATA(Adapter);
 	struct mlme_priv *pmlmepriv = NULL;
@@ -154,8 +153,6 @@ void rtl8188e_HalDmWatchDog(struct adapter *Adapter)
 	if (!hw_init_completed)
 		goto skip_dm;
 
-	rtw_hal_get_hwreg(Adapter, HW_VAR_FWLPS_RF_ON, (u8 *)(&fw_ps_awake));
-
 	/* ODM */
 	pmlmepriv = &Adapter->mlmepriv;