staging: rtl8188eu: remove unnecessary RETURN label

Remove unnecessary RETURN label and use return directly instead. Since
the return type of rtw_free_netdev() is void, remove the return at the
end of the function.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200206085924.21531-1-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/osdep_service.c

@@ -31,12 +31,11 @@ struct net_device *rtw_alloc_etherdev_with_old_priv(void *old_priv)
 
 	pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
 	if (!pnetdev)
-		goto RETURN;
+		return NULL;
 
 	pnpi = netdev_priv(pnetdev);
 	pnpi->priv = old_priv;
 
-RETURN:
 	return pnetdev;
 }
 
@@ -45,18 +44,15 @@ void rtw_free_netdev(struct net_device *netdev)
 	struct rtw_netdev_priv_indicator *pnpi;
 
 	if (!netdev)
-		goto RETURN;
+		return;
 
 	pnpi = netdev_priv(netdev);
 
 	if (!pnpi->priv)
-		goto RETURN;
+		return;
 
 	vfree(pnpi->priv);
 	free_netdev(netdev);
-
-RETURN:
-	return;
 }
 
 void rtw_buf_free(u8 **buf, u32 *buf_len)