Staging: rtl8192u: removed an unnecessary else statement

As per checkpatch warning, removed an unnecessary else statement
proceeding an if statement with a return.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/r8192U_dm.c

@@ -480,15 +480,13 @@ static void dm_bandwidth_autoswitch(struct net_device *dev)
 
 	if(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 ||!priv->ieee80211->bandwidth_auto_switch.bautoswitch_enable){
 		return;
-	}else{
+	}
 	if(priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz == false){//If send packets in 40 Mhz in 20/40
 		if(priv->undecorated_smoothed_pwdb <= priv->ieee80211->bandwidth_auto_switch.threshold_40Mhzto20Mhz)
 			priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = true;
 	}else{//in force send packets in 20 Mhz in 20/40
 		if(priv->undecorated_smoothed_pwdb >= priv->ieee80211->bandwidth_auto_switch.threshold_20Mhzto40Mhz)
 			priv->ieee80211->bandwidth_auto_switch.bforced_tx20Mhz = false;
-
-		}
 	}
 }	// dm_BandwidthAutoSwitch