staging: r8188eu: remove rtw_set_scan_mode()

Function rtw_set_scan_mode() is not used, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-23-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_ioctl_set.c

@@ -529,23 +529,6 @@ u16 rtw_get_cur_max_rate(struct adapter *adapter)
 	return max_rate;
 }
 
-/*
-* rtw_set_scan_mode -
-* @adapter: pointer to struct adapter structure
-* @scan_mode:
-*
-* Return _SUCCESS or _FAIL
-*/
-int rtw_set_scan_mode(struct adapter *adapter, enum rt_scan_type scan_mode)
-{
-	if (scan_mode != SCAN_ACTIVE && scan_mode != SCAN_PASSIVE)
-		return _FAIL;
-
-	adapter->mlmepriv.scan_mode = scan_mode;
-
-	return _SUCCESS;
-}
-
 /*
 * rtw_set_channel_plan -
 * @adapter: pointer to struct adapter structure

drivers/staging/r8188eu/include/rtw_ioctl_set.h

@@ -21,7 +21,6 @@ u8 rtw_set_802_11_infrastructure_mode(struct adapter *adapter,
 u8 rtw_set_802_11_ssid(struct adapter *adapt, struct ndis_802_11_ssid *ssid);
 u8 rtw_validate_ssid(struct ndis_802_11_ssid *ssid);
 u16 rtw_get_cur_max_rate(struct adapter *adapter);
-int rtw_set_scan_mode(struct adapter *adapter, enum rt_scan_type scan_mode);
 int rtw_set_channel_plan(struct adapter *adapter, u8 channel_plan);
 int rtw_change_ifname(struct adapter *padapter, const char *ifname);