staging: rtl8712: Remove unnecessary else after return

This patch fixes the checkpatch warning that else is not generally
useful after a break or return.

This was done using Coccinelle:
@@
expression e2;
statement s1;
@@
if(e2) { ... return ...; }
-else
         s1
Signed-off-by: NBhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_mlme.c

@@ -468,8 +468,7 @@ static int is_desired_network(struct _adapter *adapter,
 		    pnetwork->network.IELength, wps_ie,
 		    &wps_ielen))
 			return true;
-		else
-			return false;
+		return false;
 	}
 	if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
 		    (pnetwork->network.Privacy == 0))