staging: rtl8188eu: core: rtw_ap.c: Fix multiple blank lines

Remove multiple blank lines.
Issue found by checkpatch.pl semantic patch results for rtw_ap.c

CHECK: Please dont use multiple blank lines.
Signed-off-by: Sanjana Sanikommu <sanjana99reddy99@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_ap.c

@@ -368,7 +368,6 @@ void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
 	else
 		sta_band |= WIRELESS_11B;
 
-
 	psta->wireless_mode = sta_band;
 
 	raid = networktype_to_raid(sta_band);